Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7298502 | Image forming apparatus | Hirokazu Kodama | 2007-11-20 |
| 7088937 | Image fixing device with phase controlled heaters | — | 2006-08-08 |
| 6990299 | Image fixing device with phase controlled heaters | — | 2006-01-24 |
| 6930786 | Image forming apparatus | Hirokazu Kodama | 2005-08-16 |
| 6654572 | Image fixing device with phase controlled heaters | — | 2003-11-25 |
| 6614506 | Image forming apparatus and registration correcting method of the image forming apparatus | Hirokazu Kodama | 2003-09-02 |
| 6519427 | Apparatus for controlling power supply to an image fixing device | — | 2003-02-11 |
| 6396858 | Laser driving method and apparatus and image-forming apparatus | Takayuki Kawakami, Tomobumi Nakayama, Isamu Sato, Katsuhide Koga, Yukio Yokoyama | 2002-05-28 |
| 6397035 | Image forming apparatus with control of conveying speeds | Kazuhiko Hirooka, Yoshihiro Funamizu, Katsumi Takahashi | 2002-05-28 |
| 6311039 | Sheet conveying apparatus and image forming apparatus provided with the same | Yoshihiro Funamizu, Kazuhiko Hirooka, Katsumi Takahashi | 2001-10-30 |
| 6266078 | Image forming apparatus | Katsuhide Koga, Tomobumi Nakayama, Isamu Sato, Yukio Yokoyama, Takayuki Kawakami | 2001-07-24 |
| 6070023 | Image forming apparatus with back sheet portion determination for a booklet surface sheet | — | 2000-05-30 |
| 6031631 | Image processing system with independent control of image forming apparatuses | Motoaki Tahara, Hiroyuki Takahashi, Toshiyuki Kitamura, Michio Kawase, Masakazu Kitora | 2000-02-29 |
| 5940114 | Image forming apparatus for correcting positional deviations of an image | Hiroyuki Takahashi, Motoaki Tahara | 1999-08-17 |
| 5831744 | Image forming apparatus that warns of an abnormality in input image information | — | 1998-11-03 |
| 5576753 | Image forming apparatus which performs registration correction for plural image | Hiroyuki Takahashi, Motoaki Tahara | 1996-11-19 |
| 5508825 | Image processing system having automatic focusing device | — | 1996-04-16 |
| 5452073 | Multi-image forming apparatus having registration error correction | — | 1995-09-19 |
| 5355232 | Image size change in conjunction with coding and decoding | — | 1994-10-11 |
| 5165072 | Image processing apparatus which detects a line image | Mitsuru Kurita, Masahiro Funada, Hiroyuki Takahashi, Koji Kajita | 1992-11-17 |