Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10812685 | Color tone control device and image forming apparatus | — | 2020-10-20 |
| 9546093 | Minute diamond powder, method for collecting the same and slurry comprisng the same in suspension | Youichi Morita, Tatsuya Takimoto, Naoki Komatsu, Hiroshi Yamanaka, Hiroshi Ishizuka | 2017-01-17 |
| 8506919 | Fine powder of single crystalline diamond particles and a method for the production thereof | Nobuyuki Saito, Hiroshi Yamanaka, Hiroshi Ishizuka | 2013-08-13 |
| 8115836 | Image reproducing apparatus | Seiji Miyahara | 2012-02-14 |
| 8111423 | Image processing device and image processing method | Seiji Miyahara, Hiroaki Suzuki | 2012-02-07 |
| 8045222 | Image processing method, image processing apparatus, computer program product, and recording medium for image processing | — | 2011-10-25 |
| 7962658 | Image output apparatus using close range radio contact wherein radio contact element is attached to document on which an image is recorded | Yuichiro Kanoshima, Sadayuki Iwai, Naoto Shiraishi, Kazunari Tonami, Yoshinori Hayashi +1 more | 2011-06-14 |
| 7864371 | Image processing apparatus, image processing method, and computer product | — | 2011-01-04 |
| 7710600 | Image processing apparatus and method thereof | Seiji Miyahara, Manabu Komatsu | 2010-05-04 |
| 7564604 | Color signal processing and color profile creation for color image reproduction | — | 2009-07-21 |
| 7454528 | Image output apparatus using close range radio contact wherein radio contact element is attached to document on which an image is recorded | Yuichiro Kanoshima, Sadayuki Iwai, Naoto Shiraishi, Kazunari Tonami, Yoshinori Hayashi +1 more | 2008-11-18 |
| 7362896 | Image processing method, image processing apparatus and recording medium | — | 2008-04-22 |
| 7310167 | Color converting device emphasizing a contrast of output color data corresponding to a black character | — | 2007-12-18 |
| 7072084 | Color converting device emphasizing a contrast of output color data corresponding to a black character | — | 2006-07-04 |
| 6839460 | Image processing method, image processing apparatus and recording medium | — | 2005-01-04 |
| 6796629 | Color image processing apparatus, color image forming method, and recording medium | Manabu Komatsu | 2004-09-28 |
| 6226011 | Color conversion method for a color matching, a method for expanding a function of a program module and a color conversion method using the method for expanding a function of a program module | Hiroyuki Sakuyama, Mitsuhisa Kanaya, Takanori Yano | 2001-05-01 |
| 6137595 | Color conversion processing method for color matching and a processor readable medium storing a program for implementing the color conversion processing method | Hiroyuki Sakuyama | 2000-10-24 |
| 5696842 | Image processing system for adaptive coding of color document images | Wasaku Yamada | 1997-12-09 |
| 5689590 | Background noise removing apparatus and method applicable to color image processing apparatus | Kaoru Imao | 1997-11-18 |
| 5299025 | Method of coding two-dimensional data by fast cosine transform and method of decoding compressed data by inverse fast cosine transform | — | 1994-03-29 |