Issued Patents All Time
Showing 1–25 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11716298 | Information processing apparatus, information processing method, and non-transitory computer readable medium | Kosuke TOMOKUNI, Kosuke AOKI, Makoto Toriyama, Kengo TOKUCHI | 2023-08-01 |
| 7068859 | Method and apparatus for three-dimensional signal conversion | Etsuko Satoh | 2006-06-27 |
| 6924819 | Image processor | Yukihiro Nishida | 2005-08-02 |
| 6801664 | Method of image coding, image coding apparatus, and recording medium including image coding program | Masaaki Kobayashi | 2004-10-05 |
| 6681049 | Image encoding method and apparatus | Masaaki Kobayashi | 2004-01-20 |
| 6611620 | Reversible coding method, reversible coding apparatus, and memory medium used therein | Masaaki Kobayashi, Mutsuaki NOMA | 2003-08-26 |
| 6563604 | Method of gradation reproduction | Hiroyuki Morimatsu | 2003-05-13 |
| RE36935 | Multiplex image reproducing apparatus | Satoshi Haneda, Hisashi Shoji | 2000-10-31 |
| 6108441 | Color adjustment method for pixels of color images that designates color and corresponding adjustment colors | Etsuko Himoto, Tadaomi Asou | 2000-08-22 |
| 6067380 | Image compression method | Tetsuo Tanaka | 2000-05-23 |
| 5978098 | Image compression method | Noriko Takeuchi, Yukihiro Nishida | 1999-11-02 |
| RE36304 | Multiplex image reproducing method | Satoshi Haneda, Hisashi Shoji | 1999-09-14 |
| 5907414 | Color image processing apparatus | — | 1999-05-25 |
| 5715095 | Color separating device and color image reading device incorporating same | Masaya Shimada | 1998-02-03 |
| 5387988 | Image signal processing apparatus and image formation apparatus including the same | Yoshitsugu Hayashi, Hiroshi Yamaguchi | 1995-02-07 |
| 5357354 | Color image processing apparatus capable of discriminating between a monochromatic document and a color document | Masahiko Matsunawa, Koji Washio, Hiroshi Tokunaga, Tadao Kishimoto, Takashi Hasebe | 1994-10-18 |
| 5337167 | Halftone image forming apparatus including density based dot enlargement | Yuuji Toyomura | 1994-08-09 |
| 5301271 | Image processing separately processing two-density-level image data and multi-level image data | Takanobu Kajikawa, Takunori Tsuji, Takashi KITADA | 1994-04-05 |
| 5287209 | Image forming device for enhancing tone reproduction by changing dot size | Yuji Toyomura, Keiichi Nakashima | 1994-02-15 |
| 5241609 | Marker color conversion apparatus for color image processing device | Takashi Hasebe, Tadao Kishimoto, Koji Washio, Tetsuya Niitsuma | 1993-08-31 |
| 5237400 | Compact color image processing apparatus with enhanced density conversion | Koji Washio, Tetsuya Niitsuma, Kazuyoshi Tanaka, Takashi Hasebe | 1993-08-17 |
| 5220416 | Color image processing apparatus | Takashi Hasebe, Tadao Kishimoto, Tetsuya Niitsuma, Koji Washio, Hiroshi Tokunaga +1 more | 1993-06-15 |
| 5208663 | Color image processing apparatus provided with an image discrimination means | Koji Washio, Masahiko Matsunawa | 1993-05-04 |
| 5157483 | Multicolor image forming method and apparatus | Hisashi Shoji | 1992-10-20 |
| 5121445 | Method and apparatus for reading image | Junpei Tsujiuchi, Nagaaki Ohyama, Toshio Honda | 1992-06-09 |