TOKYO OFFICE （ACCESS）
8F, Sanyu Tokiwabashi Bldg.
3-5, Nihonbashihongokucho, 3-chome, Chuo-ku, Tokyo 103-0021 JAPAN
TEL：+81-3-6665-6701YOKOHAMA OFFICE （ACCESS）
Kannai ST Building 9F-A, Onoecho 1-4-1, Yokohama-shi, Naka-ku, Kanagawa 231-0015, Japan
TEL：+81-45-319-4788,4789HITACHI OFFICE （ACCESS）
6th Floor, Hitachi Life Bldg, 20-2, Saiwai-Cho 1-Chome ,Hitachi-shi, Ibakaki, 317-0073, Japan
TEL：+81-294-24-5793
DATE OF FOUNDATION
January, 1968
HISTORY
| January, 1968 | Mr. Teinosuke Tanaka (Ex-GM, Pａｔｅｎｔ Dept, Hitachi Ltd.) founded “Tanaka Patent Firm”. |
| January, 1976 | Mr. Fukuda (Ex-Administrative Judge for the Japan Patent Office) and Mr. Nagasaki (Ex-GM, Pａｔｅｎｔ Dept, Hitachi Ltd.), succeeded as the representatives and renamed to “Fukuda and Nagasaki Patent Firm”. |
| April, 1985 | Mr. Akio Takahashi (Ex-GM, Pａｔｅｎｔ Dept, Hitachi Ltd.) succeeded as the representative and renamed to “Nitto International Patent Firm”. |
| April, 1999 | Mr. Katsuo Ogawa (Ex-Managing Director for Intellectual Property Group, Hitachi Ltd.) succeeded as the representative of the firm. |
| January, 2005 | “Nitto International Patent Firm” was incorporated as Intellectual Property Corporation. |
| April, 2006 | Mr. Yasuo Sakuta (Ex-Executive Officer for Intellectual Property Group, Hitachi Ltd.) succeeded as the representative of the firm. |
| November, 2006 | Renamed to “Polaire Intellectual Property Corporation”. |
| April, 2013 | The group handling mainly for a technical field of information and telecommunication was separated and incorporated as “SEIRYO Intellectual Property Corporation”. |
| April, 2014 | Mr. Yukito Koiwa assumed as a Chief Executive Mr. Yasuo Sakuta assumed as a Chairman. |
| April, 2017 | Mr. Hiroshi Aasamitsuh assumed as a Chief Executive. |
| July, 2019 （令和１） |
ENHANCED THE PATENT/TECHNONOGY SEARCH WORK We have been transferred the patent/technology search professionals(40 searchers) from Hitachi Techno-Information Service, Ltd. |
| July, 2019 （令和１） |
NEWLY OPENED THE YOKOHAMA OFFICE Some patent prosecuting attorneys, staffs, and patent/technology search professionals are working in this office (branch of Tokyo office). |
