Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5969701 | Driving device and driving method of matrix-type display apparatus for carrying out time-division gradation display | Kazunari Tomizawa | 1999-10-19 |
| 5969713 | Drive circuit for a matrix-type display apparatus | Kazunari Tomizawa | 1999-10-19 |
| 5691783 | Liquid crystal display device and method for driving the same | Akira Tagawa, Kazuhiko Tamai, Mitsuhiro Koden, Tokihiko Shinomiya | 1997-11-25 |
| 5614924 | Ferroelectric liquid crystal display device and a driving method of effecting gradational display therefor | — | 1997-03-25 |
| 5499037 | Liquid crystal display device for display with gray levels | Kenichi Nakagawa | 1996-03-12 |
| 5488495 | Driving method for a ferroelectric liquid crystal displays having no change data pulses | — | 1996-01-30 |
| 5483255 | Display controller for liquid crystal panel structure | — | 1996-01-09 |
| 5477235 | Method for driving a ferroelectric liquid crystal panel | — | 1995-12-19 |
| 5465168 | Gradation driving method for bistable ferroelectric liquid crystal using effective cone angle in both states | Mitsuhiro Koden, Akira Tagawa, Hitoshi Takeda, Hirofumi Katsuse, Makoto Shiomi +4 more | 1995-11-07 |
| 5404237 | Ferroelectric liquid crystal display having c2u alignment and the rewriting voltage| Hirofumi Katsuse |
1995-04-04 |
|
| 5289173 | Display control method having partial rewriting operation | — | 1994-02-22 |
| 5103328 | Liquid crystal display device having light shutter elements disposed between the backlight source and the display panel | — | 1992-04-07 |
| 5048934 | Method of driving ferroelectric liquid crystal without timing conversion circuitry | — | 1991-09-17 |
| 4929058 | Method for driving a display device | — | 1990-05-29 |