Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275981 | Al.sub.2 O.sub.3 based ceramic | Akio Nishiyama, Takashi Koyama, Yasutaka Aikawa, Hideo Ohshima, Munenori Kato +1 more | 1994-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275981 | Al.sub.2 O.sub.3 based ceramic | Akio Nishiyama, Takashi Koyama, Yasutaka Aikawa, Hideo Ohshima, Munenori Kato +1 more | 1994-01-04 |