Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845473 | Method of driving a liquid crystal matrix display panel | Nobuaki Matsuhashi, Makoto Takeda, Kunihiko Yamamoto | 1989-07-04 |
| 4830466 | Drive system for an active matrix liquid crystal display panel having divided row electrodes | Nobuaki Matsuhashi, Makoto Takeda | 1989-05-16 |
| 4825203 | Drive circuit for color liquid crystal display device | Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsuhashi | 1989-04-25 |
| 4801933 | Liquid crystal matrix device having separate driving circuits with diverse driving voltages | Kunihiko Yamamoto, Yutaka Ishii | 1989-01-31 |
| 4799057 | Circuit for driving a matrix display device with a plurality of isolated driving blocks | Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsuhashi | 1989-01-17 |