Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883780 | Aluminum nitride sintered body and preparation thereof | Mituo Kasori, Kazuo Shinozaki, Kazuo Anzai, Akihiko Tsuge, Hiroshi Imagawa +3 more | 1989-11-28 |
| 4870659 | FSK demodulation circuit | Yasuyuki Oishi, Takaharu Nakamura, Yukio Takeda, Yasunobu Watanabe | 1989-09-26 |