Takeshi Shinoda

Mr. Shinoda has broad experience in inbound and outbound work, patent prosecutions, disputes, and drafting original manuscripts of patent applications. In particular, he provides intellectual property advice from the standpoint of inventors based on his experience in handling tasks of the design and the development of analog integrated circuits, including power supply circuits such as integrated circuits for DC/DC converters.


Patent Attorney


Japan Patent Attorneys Association (2011)
Qualified IP Litigator in Japan (2013)


Japan Patent Attorneys Association, Japan Patent Attorneys Association, Public Relations Center (2018-2019)

Areas of legal expertise

Patent and utility model applications, trials and appeals, expert opinions, and litigation

Areas of technological expertise

Mechanical engineering and electronics

Specialties include general analog circuits such as motor drive devices and power supply devices, software, AI-related technologies, semiconductor devices, semiconductor manufacturing processes, optical devices, air conditioning equipment, instrumentation equipment, etc.

Professional Experience

2017 – present

Sonderhoff & Einsel, Law and Patent Office

2013 – 2017

Yamakawa International Patent Office

2009 – 2013

Tamamura International Patent Office

2001 – 2009

Employed at a subsidiary of Dai Nippon Printing Co., Ltd.



Tokyo University of Science , Electrical Engineering


Japanese, English