Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7646409 | Image pickup apparatus and subject ID adding method | Yu Tsuda, Masayuki Kurimoto | 2010-01-12 |
| 7526220 | Apparatus and method for producing member having hidden information, image formation apparatus, print control apparatus, service method, and program | Yu Tsuda | 2009-04-28 |
| 7313354 | Apparatus and method for producing member having hidden information, image formation apparatus, print control apparatus, service method, and program | Yu Tsuda | 2007-12-25 |
| 6798542 | Image encoding apparatus | Shunichi Kimura, Yutaka Koshi | 2004-09-28 |
| 6459502 | Image formation device and image processing device | Masahiro Takamatsu, Kazuto Hayashi, Masahiko Kubo, Kazuhiro Iwaoka | 2002-10-01 |
| 6233062 | Image processing device and image forming apparatus | Masahiro Takamatsu, Nobuyuki Kato, Masahiko Kubo, Kazuhiro Iwaoka | 2001-05-15 |
| 6104524 | Optical scanning device | Tohru Hisano, Akira Ishii | 2000-08-15 |
| 6014457 | Image processing apparatus | Masahiko Kubo, Nobuyuki Kato, Masahiro Takamatsu, Kazuhiro Iwaoka | 2000-01-11 |
| 5877886 | Optical beam scanning method and apparatus, and image forming method and apparatus | Akira Ishii, Hideki Moriya, Kenji Ogi, Masahiro Takamatsu | 1999-03-02 |
| 5856841 | Image formation method and image formation apparatus for forming a high definition and high quality image | Masahiro Takamatsu, Akira Ishii, Hideki Moriya, Kenji Ogi | 1999-01-05 |
| 5805741 | Image processing method and system using harmonic distortion | — | 1998-09-08 |
| 5796869 | Image processing system | Masato Tsuji, Masao Seki, Svay Leng, Koji Aikawa, Fumio Nakaya | 1998-08-18 |
| 5657071 | Method and apparatus for image processing utilizing pulse width modulation of a laser beam | — | 1997-08-12 |
| 5629990 | Image processing system | Masato Tsuji, Masao Seki, Svay Leng, Koji Aikawa, Fumio Nakaya | 1997-05-13 |
| 5541736 | Color image forming system which conducts charging exposure and development with respect to a photosensitive medium at a plurality of times | Toshiaki Sagara, Toru Teshigawara, Yasuki Yamauchi, Haruyuki Namba, Takuto TANAKA +3 more | 1996-07-30 |
| 5515451 | Image processing system for selectively reproducing documents | Masato Tsuji, Masao Seki, Svay Leng, Koji Aikawa, Fumio Nakaya | 1996-05-07 |