Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878742 | Liquid crystal optical modulator | Yukitoshi Ohkubo, Yasuyuki Watanabe, Chiori Mochizuki, Masato Yamanobe, Kazuya Ishiwata | 1989-11-07 |
| 4857751 | Photoelectric conversion apparatus with separating electrodes | Katsunori Hatanaka, Toshihiro Saika, Katsuhiko Yamada | 1989-08-15 |
| 4850681 | Optical modulation device | Masao Yamanobe, Yasuyuki Watanabe, Hajime Sakata, Yukitoshi Ohkubo, Tomoyuki Umezawa +5 more | 1989-07-25 |