Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7450776 | Gradation attributes control according to characteristics of image | Fumio Koyama | 2008-11-11 |
| 6266110 | Semiconductor device reeventing light from entering its substrate transistor and the same for driving reflection type liquid crystal | Makoto Mizuno, Masanori Iwahashi, Toshihiro Shimizu, Masaaki Fujishima, Koji Hanihara +1 more | 2001-07-24 |
| 5892563 | Reflective type liquid crystal display device | Akihiro Ono | 1999-04-06 |
| 5888900 | Method for manufacturing semiconductor device and reticle for wiring | Makoto Mizuno, Toshihiro Shimizu, Masaaki Fujishima, Koji Hanihara, Itaru Tsuchiya | 1999-03-30 |
| 5612750 | Line contour enhancing circuit for use with video signals | — | 1997-03-18 |
| 5231396 | R-2R digital-to-analog converter having transistors of equal emitter size | — | 1993-07-27 |
| 4811101 | Black level correction circuit for correcting black level of a video signal | — | 1989-03-07 |
| 4780623 | Contour compensating circuit | — | 1988-10-25 |
| 4760450 | Limiter circuit for preventing blooming in a video display terminal | — | 1988-07-26 |
| 4541014 | Contour correcting circuit | — | 1985-09-10 |