Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187127 | Fiber-reinforced silicon nitride ceramic | Yasuhiro Goto, Yoshiyuki Ohnuma, Jen Ando | 1993-02-16 |
| 5112780 | Sialon based composite and method of manufacturing the same | Yasuhiro Goto, Akihiko Tsuge, Michiyasu Komatsu | 1992-05-12 |
| 4886767 | Silicon nitride-ceramic and a manufacturing method therof | Yasuhiro Goto, Yoshiyuki Ohnuma | 1989-12-12 |
| 4853299 | Silicon carbide sintered body and method of manufacturing the same | Toshiaki Mizutani, Hiroshi Inoue, Akihiko Tsuge, Yoshiyuki Ohnuma | 1989-08-01 |