Office Overview
| Name | ITOH Patent Attorney Corporation |
|---|---|
| President | Tadashige ITOH |
| Founded | January, 2024 (ITOH International Patent Office was founded in December, 1967, by Tadahiko Itoh) |
| Services | Consisting of three departments dealing with domestic, domestic to foreign, and foreign to domestic applications. Our staff dealing with domestic to foreign and foreign to domestic matters (patent attorneys, patent engineers, trademark experts, etc.) are all fluent in languages (especially English).
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| Location | 〒100-0005 Meiji Yasuda Seimei Building 16th Floor, Marunouchi 2-1-1, Chiyoda-ku, Tokyo 100-0005, JAPAN TEL： 03 ( 5223 ) 6011 (Receptionist) FAX： 03 ( 5223 ) 7121、7123、7125 E-mail: itohpat@itohpat.co.jp |
| Staff | Japanese patent attorneys 67 IP Litigation Attorneys (included in above) 13 Of Counsel Law Attorney 1 US Patent Attorney 1 US Patent Agent 2 Chinese patent Attorney 4 Korean Patent Attorney 2 Patent engineers 52 Administration staff 163 TOTAL 291 As of January 5, 2026 |
| Qualifications | Passed the United States Patent and Trademark Office (USPTO) Patent Agent Examination: 1 Professional Engineer (Japan): 3 Doctor of Philosophy (Ph.D.): 8 Licensed Pharmacist (Japan): 1 Chief Telecommunications Engineer (Japan): 4 Chief Electrical Engineer (Japan) (Class 1–3): 1 Registered Information Security Specialist Examination Passers (Japan): 7 Project Manager Examination (IPA, Japan): 1 Network Specialist / Database Specialist (IPA, Japan): 3 Applied Information Technology Engineer Examination (IPA, Japan): 19 Land Radio Engineer / General Radio Communication Operator (First Class / Second Class): 2 First-Class Architect (Japan): 1 Licensed Electrician (Japan) (Class I / Class II): 2 JDLA Deep Learning Engineer Certification (E Qualification) (Japan Deep Learning Association): 2 JDLA Deep Learning Generalist Certification (G Test) (Japan Deep Learning Association): 23 Includes equivalent qualifications under former certification systems. |
| Related US Patent Law Firm |
IPUSA, PLLC 330 John Carlyle Street Suite 220, Alexandria, Virginia 22314, USA TEL: 202-797-4181 FAX: 202-797-8188 E-mail: ipusa@ipusapat.com |