Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341874 | Si.sub.3 N.sub.4 Ceramic powder material and method for manufacturing the same | Katsutoshi Nishida, Tadashi Miyano | 1982-07-27 |
| 4327187 | Method of producing sintered body of ceramics | Akihiko Tsuge, Katsutoshi Komeya, Akio Ando | 1982-04-27 |