Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523267 | Silicon nitride-silicon carbide composite sintered material and manufacturing thereof | Kouichi Tanaka, Masaki Terazono, Masahiro Satoh, Masahito Nakanishi, Hideki Uchimura | 1996-06-04 |
| 5219500 | Silicon nitride sintered body and process for preparation thereof | Makoto Yoshida, Masahiro Sato, Kazunori Koga, Kazumi Osamura, Tatsumi Maeda +2 more | 1993-06-15 |
| 4920085 | Silicon nitride sintered body and process for preparation thereof | Makoto Yoshida, Masahiro Sato, Kazunori Koga, Kazumi Osamura, Tatsumi Maeda +2 more | 1990-04-24 |