Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879595 | Technique for reproducing an image read from a color original | Hiroshi Niki, Hiroyuki Yamamoto, Yoshinori Abe | 1989-11-07 |
| 4864357 | Color image processing apparatus | Hiroyuki Yamamoto, Yoshinori Abe | 1989-09-05 |
| 4841361 | Color image processing apparatus | Hiroyuki Yamamoto | 1989-06-20 |
| 4841376 | Shading correcting method enabling prevention of effect of noise and apparatus therefor | Hiroyuki Yamamoto | 1989-06-20 |
| 4841377 | Continuous image estimation method | Seiichiro Hiratsuka | 1989-06-20 |
| 4835600 | Solid state image reading device with sensors adhered to plate which is adhered to lens holding member | Kiyoshi Harada, Motokazu Ikeda, Makoto Kon, Shizuo Morita, Yoshiyuki Ichihara | 1989-05-30 |
| 4833531 | Technique for interpolating a color image for image enlargement or reduction based on look-up tables stored in memory | Yoshinori Abe | 1989-05-23 |
| 4825246 | Image processing method and image forming apparatus | Masakazu Fukuchi, Kiyoshi Akazawa, Hiroshi Niki, Shunji Matsuo, Hiroyuki Yamamoto +1 more | 1989-04-25 |
| 4814895 | Image reading device | Kiyoshi Harada, Motokazu Ikeda, Makoto Kon, Sizuo Morita, Yoshiyuki Ichihara | 1989-03-21 |
| 4803558 | Halftone image estimation methods for dither images | Seiichiro Hiratsuka, Yoshinori Abe | 1989-02-07 |