Texas: (Section 1001.004 & 1001.301)
Prohibits the use of the “Engineer” title and engagement in the “Practice of Engineering” by unlicensed persons.

California: (Business and Professions Code Section 6700-6799)
Protects titles such as “Electrical Engineer” and restricts technical consulting under protected titles like “Consulting Engineer.”

New York: (Article 145, Section 7202 & 7209)
Prohibits unauthorized practice. Unlicensed services can be classified as a Class E Felony.

Engineering Council UK (Royal Charter Framework): The titles “Chartered Engineer (CEng)” and “Incorporated Engineer (IEng)” are strictly protected by law. It is a regulatory violation for any unlicensed or unregistered overseas professional to claim these specific statutory titles or provide services under their banner.

UK Professional Engineering Competence (UK-SPEC): This standard restricts individuals from presenting themselves as locally certified engineering consultants. We strictly comply with this requirement by defining our on-site activities solely as international technical consulting, without assuming any local statutory roles.

Exclusion of Protected Consulting Titles: UK regulations protect the integrity of technical advice provided to domestic industries. We guarantee complete transparency by identifying ourselves as an independent, foreign-based EMC Consultant, ensuring that no local professional license under the UK jurisdiction is simulated or required.

Professional Engineer Act of Japan: In Japan under the official 「技術士法」 (Gijutsushi-Ho — Professional Engineer Act), providing EMC advisory services for consumer electronics does not require a specific national license as a prerequisite for business.

Legal Operation & Status Exemption: We operate a legitimate consulting business under the principle of free economic activity in Japan, ensuring we are strictly in a state of exemption and not in a state of “unlicensed practice” regarding U.S. P.E. laws or UK Engineering Title Regulations.

Assurance of Expertise: Regardless of regional certification, we provide high-level technical expertise backed by a proven track record of patent filings and extensive practical experience in solving complex hardware anomalies.

Security Export Control / Foreign Exchange and Foreign Trade Act (FEFTA): We strictly comply with Japan’s “Foreign Exchange and Foreign Trade Act” (外為法). We conduct a formal 「該非判定」 (Gaihi-Hantei — Export Classification) in advance to ensure our technical know-how is provided legitimately as civilian technology.

Implementation of Classification (Gaihi-Hantei): We perform a formal 「該非判定」 (Gaihi-Hantei — Export Classification) prior to the start of each project to ensure that the EMC mitigation know-how provided does not fall under “list-controlled” technologies for military diversion. This ensures that our expertise is provided legitimately as non-restricted civilian technology.

Transaction Transparency: We guarantee that our transactions comply fully with Japan’s safety export control regulations. This eliminates any risk of our clients becoming inadvertently entangled in international regulatory violations.

Strict Compliance with Professional Titles:
We strictly avoid using any statutory titles that may be confused with local license holders under regional jurisdictions (such as U.S. Professional Engineer or UK Chartered Engineer). I operate exclusively as an independent, foreign-based “Technical Consultant.” [Ref: Article 2.3, 8.1]

Technical Advisory Only (No Unlicensed Practice):
Our services are strictly limited to technical “Analysis” and “Recommendations” regarding root-cause EMC mitigation, rather than local “Engineering Practice” which requires exclusive domestic licensing. [Ref: Article 2.3, 8.1]

Operational Restrictions on Mechanical Labor:
To eliminate the risk of unlicensed practice or corporate liability, we do not perform physical hardware modifications (e.g., soldering, trace cutting) or operate laboratory tools on-site. We focus entirely on providing strategic instructions and engineering advice to your designated team. [Ref: Article 2.3, 8.1]

Compliance with Safety Export Control Regulations:
Prior to the commencement of each project, we conduct a formal 「該非判定」 (Gaihi-Hantei — Export Classification) to ensure that our technical know-how complies fully with the Foreign Exchange and Foreign Trade Act of Japan (外為法) and international export control regulations. The official classification results are formally documented and specified directly within the quotation provided to your company prior to project launch. [Ref: Article 8.5]

EMC Advice vs. Overall Product Safety:
My Stance: I propose the optimal technical countermeasures to mitigate noise and achieve compliance (Technical Recommendations).
Request: Please have your own product safety officer conduct a rigorous review to ensure my EMC proposal does not conflict with your overall product safety rules (such as insulation spacing, thermal restrictions, or flame resistance).
Reason: This ensures a critical boundary to prevent the engineering tragedy of “noise successfully stopped, but a fire hazard newly created.”

Final Technical Sign-Off is Yours:
My Stance: I provide a professional, expert opinion that “in my technical analysis, this specific layout modification is the most viable path to establish EMC Robustness.”
Request: The final approval and statutory “Sign-off” to officially adopt this modification into your actual mass-production specifications must be executed solely by your company’s authorized personnel.
Reason: If an external consultant assumes final decision-making authority over your schematics, it blurs the lines of your design liability and risks leaving you legally unprotected regarding product quality.

Knowledge Transfer vs. Physical Manufacturing:
My Stance: I operate strictly as a technical advisor who provides the “diagnostic prescription” to maximize your Massive EMC Compliance Margin.
Request: Any physical board modifications, cutting traces, or temporary soldering during the lab sessions must be executed exclusively by your designated personnel according to your own internal manufacturing standards.
Reason: If I perform the physical work myself, it becomes legally impossible to verify that the prototype was modified through your company’s “official quality control and manufacturing process,” which could compromise your entire quality assurance system.

Immigration and Nationality Act (INA) Section 101(a)(15)(B): This section defines a “Visitor for Business (B-1).” It stipulates that such visitors shall engage in “temporary business activities,” such as commercial negotiations or consulting, rather than “labor” or “local employment” for which compensation is received from a domestic employer.

8 CFR 214.2(b): A regulation of the Code of Federal Regulations (CFR) that defines the permissible scope of activities under B-1 status. We ensure that the “professional advice” we provide remains strictly within these “Legitimate Business Activities.”

Visa Waiver Program (VWP) / 22 CFR 41.2: The legal basis for Japanese passport holders to engage in activities equivalent to B-1 status using ESTA. This guarantees that our activities are legitimate for short-term stays (up to 90 days) without the requirement of a work visa.

Immigration Rules Appendix Visitor (Permitted Activities): This regulation explicitly defines the permissible scope of business activities for a “Standard Visitor.” It stipulates that overseas professionals may provide high-level consulting, advisory, and trouble-shooting insights to local teams, provided they do not engage in local “manual labor” or receive compensation from a UK domestic source.

Total Exclusion of Local Employment: We ensure that the technical advice provided on-site remains strictly within the definition of global business consultation. All actual physical tasks, soldering, or hardware rework are executed solely by the Client’s personnel, thereby guaranteeing that no work permit or tier-based employment visa is required.

Visa-National Exemption & UK ETA: Under the bilateral agreements between Japan and the United Kingdom, Japanese passport holders are exempt from requiring a standard entry visa for short-term business visits. We strictly utilize the Electronic Travel Authorisation (UK ETA) system and manage our itinerary to ensure stays remain temporary, well within the permitted short-term thresholds.

Compliance with the Immigration Control Act and Visa Waiver Agreements:
As a holder of a valid Japanese passport, I conduct all international entries and departures in strict accordance with the Japanese “Immigration Control and Refugee Recognition Act” and the specific Business Visitor frameworks established under international visa waiver agreements.

Independence of Business: As an independent contractor based in Japan, we conclude all service agreements and receive all compensation within Japan. This structure ensures that no local employer-employee relationship is established in the host country, maintaining full compliance with business visitor regulations.

absolute Compliance Commitment:
We contractually guarantee that we will conduct all business activities in full compliance with all applicable immigration, labor, and safety laws and regulations of the host country. [Ref: Article 8.1]

Implementation of Proper Entry Status (US & UK):
We maximize the use of the Visa Waiver Program (VWP) and bilateral visa-free entry frameworks. Specifically, we guarantee entry under a legal short-term business status by ensuring all electronic travel authorizations—such as ESTA for U.S. visits, or the newly mandated UK ETA for United Kingdom visits—are fully secured prior to departure. [Ref: Article 8.2]

Total Exclusion of Manual Labor (Anti-Unauthorized Employment):
To completely eliminate the risk of unauthorized employment or PE licensing violations, we contractually define that we will not perform any physical work (Manual Labor), such as soldering or wiring modifications, on-site. All physical tasks shall be executed solely by the Client’s personnel under the Consultant’s advisory. [Ref: Article 2.3, 8.1]

Official Engagement & Administrative Rigor:
To maintain the highest level of professional responsibility, our on-site services officially commence only upon receipt of a formal Purchase Order (PO), the complete execution of the Consultant Service Agreement (CSA), and the confirmation of the required advance payments. [Ref: Article 2.4, 3.2, 3.4]

Streamlined Logistical Support:
To allow the Consultant to focus 100% of our energy on technical troubleshooting and noise reduction, we require that the Client directly arrange or reimburse all seamless ground transportation between the airport, hotel, and the test site/lab. [Ref: Article 3.5]

Commitment to Mutual Professional Trust:
We believe that transparent, clear communication is the absolute foundation of a successful engineering project. Should any unforeseen technical issues or operational ambiguities arise, we are firmly committed to resolving them through professional, good-faith consultation in accordance with our strict global standards. [Ref: Article 12.2]

I am a Business Visitor:
My Stance: I visit your country legitimately as a Short-Term Business Visitor (equivalent to U.S. B-1 status or UK Standard Visitor status) from Japan.
Request: Please do not ask or expect me to perform any “physical repair, manufacturing, or hardware modification work” on-site.
Reason: The exact moment I handle tools and execute manual labor, my lawful activity instantly shifts from “high-level consultation” to “local work,” creating a severe risk of violating local immigration laws regarding unauthorized employment.

Short-term Focus:
My Stance: I implement the necessary EMC countermeasures in the shortest possible timeline and return to Japan promptly upon completion.
Request: It would be highly appreciated if your engineering team could prepare all necessary data, PCBs, and lab equipment in advance of my scheduled visit.
Reason: Overstaying or extending timelines unnecessarily can be perceived by border authorities as acting outside the scope of a short-term business visitor. I aim to pinpoint the optimal solution within a concentrated period (approx. 1 week) to complete the mission within legally safe boundaries.

Full Transparency:
My Stance: I will clearly, confidently, and transparently explain the precise nature of my advisory activities to immigration officers exactly as documented on this official page.
Request: If your corporate compliance or legal department has any pre-travel questions, please feel free to share this page with them at any time.
Reason: Maintaining 100% complete transparency regarding the business purpose is the safest, most professional way to conduct global engineering projects for both parties.

IRS / U.S. Internal Revenue Code Section 1441: This section imposes a 30% withholding tax on payments to foreign persons. We properly execute the necessary exemption procedures under the applicable tax treaty to relieve our clients of this withholding and reporting obligation.

U.S.-Japan Income Tax Treaty: Under the treaty, payments made to us as a Japanese resident are eligible for a total exemption (0% rate) from U.S. federal income tax withholding, provided that the appropriate tax forms (such as Form W-8BEN) are submitted.

183-day Rule: We strictly manage our physical presence to ensure it remains temporary and does not exceed 183 days in any tax year, thereby guaranteeing that no U.S. personal income tax filing obligation arises.

HMRC / UK Income Tax Regulations: UK domestic tax law generally requires companies to verify the tax status of foreign consultants. We properly execute the necessary treaty clearance procedures to relieve our clients of any automatic withholding and reporting obligations.

UK-Japan Double Taxation Convention: Under the treaty, business profits generated by a Japanese resident with no permanent establishment (PE) in the UK are eligible for a total exemption (0% rate) from UK income tax withholding, provided that the official 「居住者証明書」 (Kyujusha Shomeisho — Certificate of Residence) issued by the Japanese National Tax Agency is confirmed.

183-day Rule (UK Statutory Residence Test): We strictly manage our physical presence within the UK to ensure it remains temporary and well below the 183-day threshold in any tax year, thereby guaranteeing that no UK personal tax liability or self-assessment filing obligation arises.

Compliance with Income Tax Act of Japan: As a registered resident of Japan, I am required to report and pay taxes on my worldwide income to the Japanese authorities. This status as a legitimate Japanese taxpayer serves as the essential legal basis for avoiding double taxation under international treaties.

For U.S. Clients: A completed and signed IRS Form W-8BEN to formalize tax treaty benefits under the US-Japan Tax Treaty. Note: As an individual entrepreneur operating under Japanese tax law, this form is properly executed under the individual beneficiary status, eliminating the requirement for a U.S. Employer Identification Number (EIN).

For UK & International Clients: A formal Certificate of Residence issued in English by the Japanese National Tax Agency (the legal equivalent of U.S. IRS Form 6166).

Prompt Submission of IRS Form W-8BEN

We promptly submit a fully executed IRS Form W-8BEN (Certificate of Foreign Status of Beneficial Owner) upon contract execution to ensure your compliance with U.S. withholding tax exemptions and minimize your administrative burden. [Ref: Article 3.7]

Prompt Submission of Certificate of Residence

We promptly provide the formal Certificate of Residence issued in English by the Japanese National Tax Agency upon contract execution, allowing your accounting team to secure immediate withholding tax clearance under HMRC regulations. [Ref: Article 3.7]

Declaration of No Permanent Establishment (PE):
We maintain no branch, office, or other permanent establishment within the U.S. or the UK. This legally eliminates the need for your company to perform complex determinations regarding local “Trade or Business” income or permanent corporate tax liabilities. [Ref: Article 3.7, 8.1]

Transparent On-site Settlement & Instant Hold Release:
Based on our 100% on-site results-oriented model, payment is settled immediately upon the signing of the closing documents. We capture funds strictly based on the exact number of non-compliant test items successfully passed on-site, as recorded in the document, and instantly release any unpassed portions within the Stripe system. For regions with strict infrastructure limitations (such as mainland China), we flexibly adapt to a complete Cash-on-Delivery (COD) model via an immediate on-site QR Code payment. [Ref: Article 3.2, 3.4]

Clear Fee Structure with No Hidden Costs:
Our fee structure is strictly defined to avoid any hidden or unexpected expenses. We clearly distinguish between upfront Daily Consulting Fees (covering precise travel and on-site engagement durations) and the performance-based Success Fee, ensuring a fair, predictable, and highly transparent investment for our clients. [Ref: Article 3.1, 3.3]

No Need for Withholding Tax Deductions (Tax Treaty Benefits):
My Stance: I will promptly provide the required statutory documents—such as IRS Form W-8BEN for U.S. clients , or the official 「居住者証明書」 (Certificate of Residence) for UK and international clients—to utilize bilateral tax treaties.
Benefit: Your company can entirely skip the burdensome process of withholding and remitting automatic tax deductions (such as the U.S. 30% federal tax or generic non-resident retentions), allowing for a seamless, 100% full invoice payment.
Reason: This legally proves to the IRS or HMRC that I am a professional paying taxes properly in Japan, thereby fully protecting your company from international tax compliance risks.

Total Administrative Simplicity (No PE Risks):
My Stance: I operate strictly as an independent technical advisor without maintaining any office, branch, or permanent establishment (PE) within the U.S. or the UK.
Benefit: Your accounting team is completely relieved from the complex risk of determining local permanent corporate tax liabilities or dealing with special non-resident reporting.
Reason: I believe that keeping administrative procedures simple is the best way for both parties to stay focused on the success of the technical engineering project.

Responsive Documentation & Custom Requests:
My Stance: I will immediately provide any required tax residency verifications issued in English by the Japanese tax authorities to clear your internal review.
Request: If your corporate policy requires specific local tax forms or unique submission rules, please inform me at the very start of the project.
Reason: I aim to be a partner who is reliable not only in cutting-edge technology but also in professional business conduct, ensuring every international transaction is completed without a single error.

Restatement (Third) of Torts: Products Liability, Section 1 & 2: These are the guidelines adopted in many states across the U.S. They define that if a “Design Defect” exists, there is a possibility of Strict Liability, regardless of whether there was negligence. We operate with a deep understanding of these principles.

California Civil Code Section 1714 (California Product Liability): This is the statute of California, known for having some of the strictest standards in the U.S. It demands a high “Duty of Care” from the entire supply chain, including advisors, particularly regarding designs that fail the “Consumer Expectation Test.”

Uniform Commercial Code (UCC) Article 2-314/315: These provisions relate to the “Implied Warranty” of a product. We recognize the contractual responsibilities that arise if technical advice fails to meet the “Fitness for a Particular Purpose.”

Consumer Protection Act 1987 (Part I): This act establishes the principle of “Strict Liability” for defective products in the UK, rendering producers and design contributors liable for safety flaws regardless of fault or negligence. We operate in strict adherence to this statute by ensuring our role remains exclusively advisory.

UK Common Law Duty of Care (Negligence Principle): Originating from landmark UK judgments, an external expert owes a strict “Duty of Care” to prevent foreseeable engineering defects. We eliminate this litigation risk by definition, ensuring that all final technical choices and hardware sign-offs are executed solely by the Client’s authorized personnel.

General Product Safety Regulations (GPSR) & UKCA/CE Frameworks: UK law mandates that only inherently safe goods bearing the UKCA or CE mark can be placed on the market. We recognize these statutory compliance benchmarks and guarantee that our technical recommendations focus purely on helping your team satisfy these required regulatory thresholds safely.

Final Design Authority: Any adoption of our recommendations is subject to the final approval of your Quality Assurance department, after verifying the overall safety of the product (insulation, thermal, flame resistance, etc.). [Ref: Article 2.5, 7.6]

Safety Compliance: We ensure overall product safety by requiring that our EMC mitigation proposals undergo a verification process by your safety engineers to ensure they do not conflict with existing safety standards (UL, IEC, CE, etc.). [Ref: Article 8.1]

No Physical Modification: To avoid confusion regarding manufacturing or construction liability, we do not perform any manual labor (e.g., soldering). This clarifies the boundary of responsibility for manufacturing quality. [Ref: Article 2.3]

Limitation of Liability: To protect both parties’ businesses from unforeseen litigation risks, we limit our liability to a reasonable range (the amount of the Retainer Fee paid).
[Ref: Article 7.2]

EMC & Safety Double-Check

My Stance: I propose the best technical solutions to mitigate noise (Recommendations).
Request: Please have your safety officer conduct a final check to ensure my proposal does not violate your internal safety rules (insulation, heat, etc.).
Reason: This is a professional double-check to prevent the tragedy of “noise stopped, but fire started.”

Final Sign-off is yours

My Stance: I provide technical assurance that “this measure will satisfy the standard.”
Request: The final “Approval” to adopt the measure into the actual mass-production specifications must be made by your person in charge.
Reason: If an external consultant takes over the decision-making authority, it blurs the lines of your design liability and risks leaving you unable to legally protect your own product.

Teaching vs. Making

My Stance: I am a professional who provides the “prescription” for improvement.
Request: Actual board modifications or assembly must be performed by your designated personnel according to your own standards.
Reason: If I perform the physical work, it becomes impossible to prove that the product was made through your “official manufacturing process,” which could compromise your quality assurance system.

打ち合わせ

web会議で行わせて頂きます。

実装済の基板の部品面とハンダ面の写真をご準備願います。

現時点での機密保持契約の考え方

無料相談の時点では、具体的な回路の内容に触れないため、機密保持契約は不要と考えます。

無料相談後の流れ

本相談の結果、当社でサービス受諾可能と判断させていただいた場合、メールにて見積書をお送りさせて頂きます。

基板の仕様（片面基板等）により、改修による改善効果が見込めない場合は、事前にその旨をお伝えし、無駄なコストが発生しないよう配慮致します。

契約書の締結

• 機密保持契約（貴社フォーマット）
• 業務委託契約（弊所フォーマット）

機密保持契約の内容自体は、緊急サービスで扱う「標準利用規約」と同等です。リンク先の文書内の金額は緊急サービスのものになっておりますが、標準サービスの業務委託契約時には本ページ文末の標準サービスの料金の適用となります。

着手金（+諸経費）のお支払い

見積書に記載させて頂きました金額のお支払いをお願いします。

依頼後にご準備頂きたいもの

• 弊所でEMC対策を施す基板
• 回路図
• 部品表
• 各部品のデータシートのpdf（主要ICのみでOKです）
• 設計内容の詳細情報
• 配線経路の資料がわかるもの

弊所にて基板をお預かりし、EMC不合格の原因となる「ノイズの病巣」を特定。一過性の対策部品に頼るのではなく、波形解析に基づいた基板の抜本改修を代表の堀田が自ら行います。再発防止を見据えた緻密な作業を行います。

一定の解析・改修期間を頂戴しておりますが、理論的根拠に基づいた網羅的な対策を実施致します。

当日の流れ

１．正常動作の確認

弊所としましてはシステム全体の動作を見るのはここで初めてとなります。

一旦EMCの影響を受けない状態でシステム全体の基本動作を理解させて頂きます。

２．不合格状況の確認

ご依頼を受けるキッカケとなった「不合格（誤動作）」の挙動を確認させて頂きます。

３．効果確認

弊所でEMC対策を施した基板に変更してEMC試験を行い、効果の確認を行います。

【合格時】　：成功報酬の発生とマージン調整を図ります。

【不合格時】：作業終了（追加費用の発生なし）

＜ご参考＞現場での滞在時間

考えられる対策は弊所内で事前に行っているため、現場で新たに追加対策をすることはございません。

現場では状況確認と合格した場合のマージン調整に時間を使いますので、作業の目安は半日（4～5時間）を予定しています。

業務完了確認書にサイン頂き終了となります。