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About Us

Name and Location

Moegi Patent Attorneys (Representative: Nobuhiro Takahashi, Patent Attorney)
Address Kanal Platz 7F,
12-3, Nihonbashi Muromachi 1-chome,
Chuo-ku, Tokyo, 103-0022
Telephone +81-3-6457-8309
Facsimile +81-3-6457-8359
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History of Firm

Hirotoyo Miyata, who had been an appeal board examiner in the field of agriculture and fisheries, first established Miyata Patent Office in 1967.  Seiya Fujino succeeded to the office in 1989, and changed the firm name to Fujino Patent Attorney.  The firm further changed its name to Moegi Patent Office on January 1, 2005.  On January 1, 2006, Yoshio Ishii succeeded Seiya Fujino and the partnership management was introduced, and the firm became a patent professional corporation on January 4, 2008.  On January 1, 2021, Nobuhiro Takahashi and Susumu Saito joined Sanae Goto in partnership when Yoshio Ishii became a consultant. The firm changed its name to Moegi Patent Attorneys on November 1, 2022.


Nobuhiro Takahashi (Managing Partner, Patent Attorney)

- Ph.D. (Applied Biotechnology), Graduate School of Agricultural and Life Sciences, The University of Tokyo (1997-2000)
- Visiting Fellow, NICHD, NIH, USA (2000-2005)

Fields of expertise :
Genetics, genetic engineering, biochemistry, molecular biology, cell biology, developmental biology, regenerative medicine, etc.

Susumu Saito (Managing Partner, Patent Attorney)

- Master of Engineering, Graduate School of Bio-Applications and Systems Engineering,Tokyo University of Agriculture and Technology.
- Former engineer at a patent law firm in Tokyo.

Fields of expertise :
Polymer materials, semiconductor materials, food & beverage, medical appliances, analyzer, etc.

Sanae Goto (Managing Partner, Patent Attorney)

- Bachelor of Agricultural Chemistry, Agricultural Department, Hokkaido University.
- Former researcher in the field of biochemistry at Komatsu Co., Ltd; former member of the intellectual property department of Komatsu Co., Ltd.

Fields of expertise :
Biosciences, chemistry in general

Yoshio Ishii (Consultant)

- Master of engineering, Engineering Department, Yokohama National University.
- Ex-appeal-examiner-in-chief at the Japan Patent Office; former investigator of the Osaka District Court.

Fields of expertise :
Chemical engineering, inorganic chemistry and medical appliances.

Technical Specialists: 2
Clerical staff: 5

Practice Areas

All domestic and foreign intellectual-property-related affairs, especially filing, expert opinion, appeals, revocation appeals, and infringement (as a curator) related to patents, utility models, designs and trademarks, in the fields of food chemistry, pharmaceuticals, medical supplies, biosciences, fisheries, livestock feed, fertilizer, petrochemistry, polymers, sanitary articles, cosmetics, etc.

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