Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414417 | Laminated piezoelectric actuator | Hirotaka Tsuyoshi, Shigenobu Nakamura, Susumu Ono | 2002-07-02 |
| 5885916 | Dielectric material having a low dielectric loss factor for high-frequency use | Kenichi Tajima, Koichi Tanaka, Shoji Kohsaka, Hiroshi Maruyama | 1999-03-23 |
| 5804523 | Sintered product of silicon nitride | Takehiro Oda, Koichi Tanaka, Tomohiro Iwaida, Sentaro Yamamoto, Shoji Kohsaka +2 more | 1998-09-08 |
| 5523267 | Silicon nitride-silicon carbide composite sintered material and manufacturing thereof | Kouichi Tanaka, Masaki Terazono, Masahiro Satoh, Masahito Nakanishi, Shoji Kousaka | 1996-06-04 |
| 5114889 | Silicon nitride sintered body and process for preparation thereof | Kazumi Osamura, Masaki Terazono, Shoji Kohsaka, Kazunori Koga, Akira Saito +1 more | 1992-05-19 |