Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878739 | Liquid crystal display device with particular impedance ratio for signal and common electrodes | — | 1989-11-07 |
| 4842379 | Image recording apparatus utilizing an ECB mode liquid crystal | Hisao Oishi, Kazuhiko Yanagihara, Tadashi Miyakawa, Takeshi Nakamura, Kazuhiko Akimoto | 1989-06-27 |
| 4836652 | Liquid crystal shutter array having microlenses corresponding to the pixel electrodes | Hisao Oishi, Kazuhiko Yanagihara, Tadashi Miyakawa, Takeshi Nakamura, Kazuhiko Akimoto | 1989-06-06 |