Firm Profile
About H & D
Hayashi, Doi & Associates registered Japanese Patent Attorneys founded in 1996 by Tsunenori Hayashi and Kenji Doi, together with associates of two of the previous firms, Hayashi & Associates, founded in 1992, and Doi & Associates, founded in 1995. In 2004, Sendai Office was opened.
Firm Location
| MAIN OFFICE(Map) Tosho-bldg. No. 3, 3-9-5 Shin Yokohama, Kohoku-ku, Yokohama, 222-0033 Japan TEL: 81-45-475-2351 FAX: 81-45-475-2468 office@hayashidoi.com URL:http://www.hayashidoi.com |
| Leading Practice Area |
|---|
| Prosecutions for Patent, Utility Models, Design Patent, and Trademark, Consultation and Opinions on Law of IPR, Litigation matters, and Other dispute solution related to IPR. |
| Specialty |
| Information Technology, Telecommunication, Semiconductor devices, Information processing peripheral device, Software, Business Model Patent, Video Game, Optics precision instrument, Process control technology, Mechanical engineering |
| Major Clients |
| Among our client, we represent some large Japanese companies like, FUJITSU LIMITED, SEGA, LTD., SEIKO EPSON CORP., FUJITSU TEN, and TOKYO GAS. |
| Membership |
| JIPA (Japan Intellectual Property Associates) |
| Patent Attorneys |
| Tsunenori Hayashi Kenji Doi Kouichiro Matsueda Satoru Hirayama Takamasa Asano Satoshi Yamashita, Takayuki Kawai Takeo Miyazawa |
SENDAI OFFICE
| SENDAI OFFICE(Map) The 21st Century Plaza Research Center No.1A 1-1-40 Takamori, Izumi-ku, Sendai-Shi, 981-3003 Japan TEL:81-22-777-8083 FAX:81-22-290-0928 office@hayashidoi.com |
| Patent Attorney |
|---|
| Koichiro Matsueda (Registered in 1994) |
| Comment |
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81-45-475-2351 
81-45-475-2468 