Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926595 | Optical fiber connector part and process for producing the same | Koji Matsui, Kuniyoshi Ueda, Michiharu Ogawa | 1999-07-20 |
| 5409415 | Shot method | Toshio Kawanami, Hiroshi Ohnishi, Hiroyuki Matsumura, Michiyuki Aimoto, Michiharu Ogai | 1995-04-25 |
| 5089448 | Silicon nitride sintered body having excellent high-temperature strength and method of producing same | Yasunobu Kawakami, Kagehisa Hamazaki, Toshiyuki Mori | 1992-02-18 |
| 5017530 | Silicon nitride sintered body and process for preparation thereof | Toshiyuki Mori, Yoshihiro Matsumoto | 1991-05-21 |
| 4770830 | Process for preparation of high .alpha.-type silicon nitride powder | Kuniyoshi Ueda, Naomichi Sakai, Takaaki Tsukidate | 1988-09-13 |
| 4716028 | Process for preparation of high-type silicon nitride powder | Kiyoshi Kasai, Takaaki Tsukidate | 1987-12-29 |
| 4612297 | Process for preparation of silicon nitride powder of good sintering property | Kiyoshi Kasai, Takaaki Tsukidate, Shinji Nagata | 1986-09-16 |