Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8638691 | Wireless communication system and parent node search method | Masato Tanaka, Itsuki Tanabe, Li Zheng | 2014-01-28 |
| 5926595 | Optical fiber connector part and process for producing the same | Koji Matsui, Toshihiko Arakawa, Michiharu Ogawa | 1999-07-20 |
| 4774041 | High-strength zirconia type sintered body and process for preparation thereof | Koji Tsukuma, Takaaki Tsukidate | 1988-09-27 |
| 4770830 | Process for preparation of high .alpha.-type silicon nitride powder | Toshihiko Arakawa, Naomichi Sakai, Takaaki Tsukidate | 1988-09-13 |
| 4587225 | High-strength zirconia type sintered body | Koji Tsukuma, Takaaki Tsukidate | 1986-05-06 |