Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874461 | Method for manufacturing liquid crystal device with spacers formed by photolithography | Masahiko Sato, Toshimitsu Konuma, Seiichi Odaka, Toshio Watanabe, Osamu Aoyagi +6 more | 1989-10-17 |
| 4861143 | Liquid crystal display capable of displaying grey tone | Shunpei Yamazaki, Takashi Inujima, Toshimitsu Konuma, Toshiji Hamatani, Akira Mase +3 more | 1989-08-29 |
| 4799776 | Ferroelectric liquid crystal display device having a single polarizer | Shunpei Yamazaki, Takashi Inujima, Akira Mase, Toshimitsu Konuma, Mitsunori Sakama +3 more | 1989-01-24 |