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About Us

Name and Location

Moegi Patent Office (Representative: Nobuhiro Takahashi, Patent Attorney)
Address 4F, Intec 88 Bldg.
20-21 Araki-cho,
Shinjuku-ku, Tokyo 160-0007
Telephone +81-3-6457-8309
Facsimile +81-3-6457-8359
> see the detailed map

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 and Tadahiro Mamada became consultants.


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)

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 patent law firm in Tokyo.

Polymer materials, semiconductor materials, food & beverage, medical appliances, analyzer, etc.

Sanae Goto (Managing Partner, Patent Attorney)

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

Biosciences, chemistry in general

Hiroaki Ozaki (Patent Attorney, Granted the Supplementary Note of Specific Infringement Lawsuit Counsel)

- Master of Agriculture, Graduate School of Bioagricultural Sciences, Nagoya University.
-Licensed infringement litigation representative.
- Former researcher at Morinaga Milk Industry Co., Ltd; former patent attorney at patent law firm in Tokyo.

Foods, cosmetics, genetic engineering, medical appliances, etc.

Yoshio Ishii (Consultant)

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

Chemical engineering, inorganic chemistry and medical appliances.

Tadahiro Mamada (Consultant)

-Bachelor of Inorganic Materials, Faculty of Technology, Tokyo Institute of Technology.
-Former appeal-examiner-in-chief at the Japan Patent Office.

Inorganic chemistry, chemical engineering and materials science

Technical Specialists: 1
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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