Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119184 | Color image processing apparatus with digital color signal compression means | Koji Washio, Masahiko Matsunawa | 1992-06-02 |
| 5119207 | Copier with image transfer region determination and selective sampling of image data thereof | Tetsuya Niitsuma, Koji Washio, Kazuyoshi Tanaka, Takashi Hasebe | 1992-06-02 |
| 5109274 | Color image processing apparatus | Koji Washio | 1992-04-28 |
| 5061966 | Method of cleaning an image retainer | Satoshi Haneda, Hisashi Shoji, Tadao Kishimoto, Toshifumi Isobe, Hiroyuki Maruyama +1 more | 1991-10-29 |
| 4980760 | Image processing apparatus | Koji Washio, Hiroyuki Yamamoto, Masahiko Matsunawa | 1990-12-25 |
| 4970536 | Apparatus for multicolor image forming wherein image forming conditions are adjusted based on reference images | Satoshi Haneda, Hisashi Shoji | 1990-11-13 |
| 4903142 | Apparatus for processing halftone image | Takashi Hasebe, Yoshinori Abe, Masahiko Matsunawa | 1990-02-20 |
| 4841377 | Continuous image estimation method | Masahiko Matsunawa | 1989-06-20 |
| 4841332 | Toner control for a developer device | Satoshi Haneda, Hisashi Shoji | 1989-06-20 |
| 4841337 | Image forming apparatus | Kunihisa Yoshino, Satoshi Haneda, Hisashi Shoji | 1989-06-20 |
| 4839692 | Apparatus for reproducing multi-color image | Hisashi Shoji, Satoshi Haneda | 1989-06-13 |
| 4803558 | Halftone image estimation methods for dither images | Masahiko Matsunawa, Yoshinori Abe | 1989-02-07 |
| 4803514 | Multi-color image forming method and apparatus | Satoshi Haneda, Hisashi Shoji | 1989-02-07 |
| 4803518 | Apparatus for forming a multi-color toner image | Satoshi Haneda, Hisashi Shoji | 1989-02-07 |
| 4797335 | Developing method for electrostatic images using composite component developer under non-contacting conditions | Satoshi Haneda, Hisashi Shoji | 1989-01-10 |
| 4768082 | Methods of compressing and reproducing color image data | Masahiko Matsunawa | 1988-08-30 |
| 4758897 | Method and apparatus for estimating halftone image from binary image | Masahiko Matsunawa | 1988-07-19 |
| 4756985 | Method of forming multicolor images | Satoshi Haneda, Hisashi Shoji | 1988-07-12 |
| 4746589 | Developing method in electrophotography using oscillating electric field | Satoshi Haneda | 1988-05-24 |
| 4717964 | Image processing apparatus | Yoshinori Abe, Masahiko Matsunawa | 1988-01-05 |
| 4696880 | Method and apparatus for reproducing multi-color image and photoreceptor thereof | Hisashi Shoji, Satoshi Haneda | 1987-09-29 |
| 4679929 | Multiplex image reproducing apparatus | Satoshi Haneda, Hisashi Shoji | 1987-07-14 |
| 4680625 | Method and apparatus for multicolor image forming | Hisashi Shoji, Satoshi Haneda | 1987-07-14 |
| 4669864 | Image forming apparatus | Hisashi Shoji, Satoshi Haneda, Hiroshi Fuma, Shinobu Soma, Masahiko Itaya +2 more | 1987-06-02 |
| 4666804 | Method of and apparatus for image forming | Satoshi Haneda, Hisashi Shoji | 1987-05-19 |