Chemistry (general), Biotechnology, Food, Water Treatment, Civil Engineering, Automotive Components
OSAMU YAMAGUCHI
Mr. Yamaguchi has many years of experience at a patent firm, primarily handling the drafting of patent applications in the field of chemistry, as well as prosecution and both inbound and outbound patent practices. In addition to chemistry, he has also worked on patent applications in areas such as food and beverages, machinery, and civil engineering. By combining this extensive patent firm experience with his prior role managing intellectual property at a manufacturer, he is able to cover the entire process—from patent liaison to drafting applications—which he considers his key strength.
Profession
Patent Attorney
Admissions
Japan Patent Attorneys Association (2023)
Membership
Kanae-kai, a community of graduates of the Core Personnel Training Program of the Industrial Cyber Security Center, Information-technology Promotion Agency, Japan
Areas of Expertise
Professional Experience
2009 – 2025 Tashiro & Etoh patent Bureau
2001 – 2009 Pokka Corporation
Education
2001 Nagoya University, Bioagricultural Sciences
1999 Nagoya University, Applied Biosciences
Publications
“Examining the Logic of Description Requirements Useful for Patent Invalidation Trials and Other Proceedings” (Monthly Patent, Japan Patent Attorneys Association, 2022, Vol.75, No.9, pp. 33–44, Osamu Yamaguchi (co-authored))
Lectures
“Survey and Study on Examination Practices Concerning Use Inventions:
— Use Inventions Related to Food Applications and Those Defined by Mechanisms of Action —”
(JBA Intellectual Property Committee & Japan Patent Attorneys Association Joint Seminar), February 2024
“Analysis of Intellectual Property and Business Strategies of Agricultural and Environmental Biotechnology Startups”
(BioJapan 2025 Exhibitor Presentation), October 9, 2025
Languages
Japanese, English
Profession
Patent Attorney
Admissions
Japan Patent Attorneys Association (2023)
Membership
Kanae-kai, a community of graduates of the Core Personnel Training Program of the Industrial Cyber Security Center, Information-technology Promotion Agency, Japan
Areas of Expertise
Patent and utility model applications, trials and appeals
Areas of Technological Expertise
General mechanical, electrical and information and communication sectors
Mechanical
-General plants
Pumps, Valves, Piping, Heat Exchangers, Air Conditioning Equipment, Boilers, Turbines, Condensers, Water Treatment Equipment
-Materials
Steel (carbon steel, stainless steel), Sealing Materials (Gaskets, Packings, O-rings, Caulking)
-Material processing, inspection
TIG welding, phased array UT
-Condition-based maintenance (CBM)
Vibration analysis, Lubricant Analysis, Thermo Analysis
Electricity
-General Electrical Power Systems, Transformers, Generators, Electric motors, Power Electronics, Circuit Breakers, Phase-Regulating Equipment, Relays.
Information and communication
-Programming Languages
C, Python, PHP
-Enterprise Systems
DNS (BIND), Active Directory, Web 3-tier architecture (Apache HTTP Server, Apache Tomcat, Microsoft SQL Server, MySQL, PostgreSQL), CMS (WordPress), Virtualisation Technologies (Hyper-V, VMware ESXi, Oracle VM VirtualBox, Docker), Cloud Computing (Amazon Web Services, Microsoft Azure), VCS (GitHub, GitLab)
-Control systems
PLC, DCS, Industrial Communication Protocols (OPC, IEC 61850, OpenADR)
-Networks, Security
Firewalls, Routers, Wireless Communication (Bluetooth, Wi-Fi), VLANs (IEEE 802.1Q), VPN, IDS/IPS, SIEM, data diodes, packet capture, penetration testing
Professional Experience
2023 – Present– Sonderhoff & Einsel Law and Patent Office
2021 – 2022– Information-technology Promotion Agency, Japan (on secondment from Chubu Electric Power Inc.)
2016 – 2022 – Chubu Electric Power Inc.
Education
2016 –Ritsumeikan University, College of Science and Engineering, Department of Robotics
Qualifications
Registered Information Security Specialist (RISS)
Type II chief electrical engineer
Publications
“Visualising security-related costs” (Information-technology Promotion Agency, Japan Industrial Cyber Security Centre Core Human Resources Development Program,Graduation project deliverables) 2023
Lectures
“Visualisation methods for security-related costs – How do security officers present the right investment decisions?”(7th Critical Infrastructure Cyber Security Conference, Impress Inc.), February 2023.
“Security 2022 in support of DX – from the results of the fifth class of the Industrial Cyber Security Centre.”(Interop Tokyo conference 2022, Nano Opto Media Inc.), 16 Jun 2022.
Languages
Japanese, English


