Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7821674 | Image processing apparatus, image forming apparatus, information embedding method, and information embedding program | Koji Naito, Hideyuki Hashimoto, Hiroyuki Ideyama | 2010-10-26 |
| 7319786 | Image processing apparatus, image forming apparatus and color image determination method thereof | Yoshihiko Hirota, Shoji Imaizumi, Hideyuki Hashimoto, Kazuhiro Ishiguro | 2008-01-15 |
| 7298504 | Image formation apparatus limiting print operation according to additional information embedded in input image data | Osamu Yamada | 2007-11-20 |
| 7265852 | Image forming apparatus, power consumption restriction system, power consumption restriction program, and power consumption restriction method | Jiro Goto, Kaoru Tada | 2007-09-04 |
| 7177462 | Image processing apparatus, image forming apparatus and color image determination method thereof | Yoshihiko Hirota, Shoji Imaizumi, Hideyuki Hashimoto, Kazuhiro Ishiguro | 2007-02-13 |
| 7113291 | Image formation apparatus limiting print operation according to additional information embedded in input image data | Osamu Yamada | 2006-09-26 |
| 7072506 | Image processing apparatus image forming apparatus and color image determination method thereof | Yoshihiko Hirota, Shoji Imaizumi, Hideyuki Hashimoto, Kazuhiro Ishiguro | 2006-07-04 |
| 6928564 | Method for managing image processing devices on a network | Kaoru Tada, Jiro Goto, Tatsuji Hirakawa | 2005-08-09 |
| 6323959 | Color image processor | Yoshihiko Hirota, Hiroshi Sugiura | 2001-11-27 |
| 6288510 | Drive controller for motor-driven high-speed rotating body and method for discriminating type of machine used therefor | — | 2001-09-11 |
| 6198841 | Color image processor | Yoshihiko Hirota | 2001-03-06 |
| 6130757 | Client-server system with effectively used server functions | Akinori Yoshida, Naohiro Yonezu | 2000-10-10 |
| 6118895 | Image forming apparatus for distinguishing between types of color and monochromatic documents | Yoshihiko Hirota, Takayuki Nabeshima | 2000-09-12 |
| 5973802 | Image reproducing apparatus for forming either of a color image or a monochromatic image | Yoshihiko Hirota, Kazuhiro Ishiguro | 1999-10-26 |
| 5734759 | Image reading apparatus for sequentially providing red, green and blue signals during prescan and for reversing the order during reading | Yoshihiko Hirota, Hiroyuki Suzuki | 1998-03-31 |
| 5469007 | Magnetic bearing arrangement | — | 1995-11-21 |