Masashi Moriwaki

President at MORIWAKI IP, PC

Masashi Moriwaki has broad experience in all aspects of IP law in Japan, including prosecution, litigation, licensing, opinions and evaluation. Prosecution of patent and trademark applications before the Japan Patent Office (JPO) is a focal point of his practice. He has extensive experience handling IP rights matters related to the high-tech industries, including electronic devices, material science and computer technology based on physics and/or chemistry.

Before he set up MORIWAKI IP in 2002, Mr Moriwaki had spent time working as an in-house patent attorney for Matsushita Electric Industrial Co Ltd and at Panasonic’s IP Centre.

Mr Moriwaki has lectured in English on patent, design patent and trademark law at Ritsumeikan University.

Mr Moriwaki has been a technical adviser at the IP High Court of Japan since 2008.

Mr Moriwaki graduated from the Tokyo Institute of Technology with a master’s in electronic devices and from the Nagoya Institute of Technology with a BSc in electric and information technology. He received his qualification as a patent and trademark attorney from the Japan Patent Attorney Association (JPAA).

While at the Tokyo Institute of Technology, he worked at Professors Hiroshi Ishiwara and Eisuke Tokumitsu’s Precision and Intelligence Laboratory. During that time, he routinely gave presentations in Japan and abroad on ferroelectric devices.

Mr Moriwaki is a member of the JPAA and is admitted to practise on prosecution and litigation matters before the JPO, the Japan Intellectual Property Arbitration Centre, the District Court, the IP High Court and the Supreme Court.

Professional associations

  • JPAA

Firm details

600-8411 Fifth Hase Building 637 Suiginya-cho

Contact details