Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878742 | Liquid crystal optical modulator | Yukitoshi Ohkubo, Chiori Mochizuki, Takayuki Ishii, Masato Yamanobe, Kazuya Ishiwata | 1989-11-07 |
| 4856869 | Display element and observation apparatus having the same | Hajime Sakata, Masato Yamanobe, Yukitoshi Ohkubo, Akihiro Nagano | 1989-08-15 |
| 4850681 | Optical modulation device | Masao Yamanobe, Hajime Sakata, Yukitoshi Ohkubo, Tomoyuki Umezawa, Chiori Mochizuki +5 more | 1989-07-25 |
| 4822146 | Optical modulation element | Masato Yamanobe, Yukitoshi Ohkubo | 1989-04-18 |