Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7583402 | Image forming device and image forming system | Katsuyuki Teranishi | 2009-09-01 |
| 7548337 | Image forming device | Katsuyuki Teranishi | 2009-06-16 |
| 6049635 | Dotted image area detecting apparatus and dotted image area detecting method | Shinji Hayashi, Masaya Fujimoto | 2000-04-11 |
| 5878162 | Image processing circuit | Tadashi Miyazaki | 1999-03-02 |
| 5771313 | Apparatus for and method of detecting dotted image area using two types of judging areas | Shinji Hayashi, Masaya Fujimoto | 1998-06-23 |
| 5754312 | Method of and apparatus for detecting pixels constituting dotted image area utilizing distance between change points of pixel values | Masaya Fujimoto, Haruo Yamamoto, Masayuki Mizuno, Shinji Hayashi | 1998-05-19 |
| 5754708 | Dotted image area detecting apparatus and dotted image area detecting method | Shinji Hayashi, Masaya Fujimoto | 1998-05-19 |
| 5729627 | Apparatus for and method of judging dotted image area | Masayuki Mizuno, Masaya Fujimoto, Haruo Yamamoto | 1998-03-17 |
| 5712924 | Image processing apparatus | Masaya Fujimoto, Haruo Yamamoto, Tadashi Miyazaki, Shinji Hayashi | 1998-01-27 |
| 5684600 | Image processor for smoothing and differentiating periodic areas and character areas using coefficients | Tadashi Miyazaki, Masaya Fujimoto, Haruo Yamamoto, Shinji Hayashi | 1997-11-04 |
| 5519500 | Synchronization signal generating circuit | — | 1996-05-21 |
| 5418896 | Skew processing circuit and method of calculating a preset value for the same | Haruo Yamamoto, Masaya Fujimoto, Tsukasa Matsushita | 1995-05-23 |
| 5272546 | Laser beam controller | Haruo Yamamoto, Akira Shimatani, Masaya Fujimoto, Tsukasa Matsushita | 1993-12-21 |
| 5083217 | Shadow-added image formation device | — | 1992-01-21 |
| 5072310 | IC card for image processor | Haruo Yamamoto, Tsukasa Matsushita, Masaya Fujimoto | 1991-12-10 |
| 5070412 | Apparatus for generating an enlargement/reduction signal | Tsukasa Matsushita | 1991-12-03 |
| 5016194 | Image forming apparatus | Tsukasa Matsushita | 1991-05-14 |
| 4812881 | Automatic image-density control system | Satoshi Kuroyanagi, Setsuo Hori | 1989-03-14 |