Firm Overview

Company NameHiraki & Associates
ChairmanYusuke Hiraki
President / Representative Patent AttorneyYasuo Hiraki
FoundedOctober 1984
Location【Tokyo】
Atago Green Hills MORI Tower, 32F
5-1 Atago 2-chome, Minato-ku,
Tokyo 105-6232 Japan
Phone : +81-3-5425-1800
Fax : +81-3-5425-0981

【Kansai】
Daido Seimei South Building, 5F
2-11 Edobori 1-chome, Nishi-ku, Osaka City,
Osaka 550-0002 Japan
Phone : +81-6-6446-0381
Fax : +81-6-6446-0382
Our People120 (33 patent attorneys) Note: As of September2025
Patent Attorneys / Technical Staff Introduction
Affiliated CompaniesHitec International Inc.
Hiraki Patent Co., Ltd.
Main ClientsPharmaceutical, chemical, food, beverage, and other manufacturers
Universities, research institutions
Biotechnology venture firms
General electronics manufacturers, automobile manufacturers, and other related manufacturers
Numerous other firms

Access Map

Tokyo Office

Atago Green Hills MORI Tower, 32F
5-1 Atago 2-chome, Minato-ku,
Tokyo 105-6232 Japan
Phone : +81-3-5425-1800
Fax : +81-3-5425-0981

  • Tokyo Metro Hibiya Line Kamiyacho Station; 4-min walk from Exit 3
  • Onarimon Station, Toei Mita Line; 3-min walk from Exit A5

Kansai Office

Daido Seimei South Building, 5F
2-11 Edobori 1-chome, Nishi-ku, Osaka City,
Osaka 550-0002 Japan
Phone : +81-6-6446-0381
Fax : +81-6-6446-0382

  • 1-min walk from Higobashi Station on the Osaka Metro Yotsubashi Line; Exit 5-A or Exit 1-B (directly connected to Daido Life Osaka Head Office Building from the basement)
  • Osaka Metro Midosuji Line Yodoyabashi Station; 6-min walk from Exit 3 or 4
    Please note: These exits are currently closed. Kindly use other exits.

Office Environment