Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9575604 | Operation input device, operation input method, and program | — | 2017-02-21 |
| 8942472 | Color judging apparatus, color judging method, image processing circuit and program | Koji Otsuka | 2015-01-27 |
| 8736766 | Image processing device, image processing method, image processing program, and recording medium, each capable of correcting luminance of image so that the local deterioration of grey scales is unlikely to occur | Daisuke Koyama | 2014-05-27 |
| 8351734 | Video signal processing device and video display device | Koji Otsuka, Yasufumi Hagiwara, Daisuke Koyama | 2013-01-08 |