Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7452093 | Prism sheet and display device using the same | — | 2008-11-18 |
| 7180690 | Light condensing filter | — | 2007-02-20 |
| 6767676 | Optical functional element and method of producing the same | — | 2004-07-27 |
| 6667815 | Method and apparatus for processing images | — | 2003-12-23 |
| 6628842 | Image processing method and apparatus | — | 2003-09-30 |
| 6373992 | Method and apparatus for image processing | — | 2002-04-16 |
| 6055340 | Method and apparatus for processing digital images to suppress their noise and enhancing their sharpness | — | 2000-04-25 |
| 4500634 | Silver halide color photographic material | Kei Sakanoue, Morio Yagihara, Seigi Ichijima | 1985-02-19 |