Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426767 | Image forming apparatus for maintaining a constant beam scanning state | Koji Tanimoto, Jun Sakakibara, Koji Kawai | 2002-07-30 |
| 6411321 | Light beam scanning apparatus and image forming apparatus | Koji Tanimoto, Naoaki Ide, Jun Sakakibara | 2002-06-25 |
| 6392684 | Image forming apparatus and image forming method | Koji Tanimoto, Jun Sakakibara, Naoaki Ide, Toshimitsu Ichiyanagi | 2002-05-21 |
| 6344866 | Light beam scanner unit with passing position and power control and image forming apparatus | Koji Tanimoto, Naoaki Ide, Jun Sakakibara | 2002-02-05 |
| 6297839 | Light beam scanner unit and image forming apparatus with adjustment for contamination | Koji Tanimoto, Naoaki Ide, Jun Sakakibara | 2001-10-02 |
| 6243123 | Light beam scanning apparatus for use with image forming apparatus | Koji Tanimoto, Kunihiko Miura, Naoaki Ide, Jun Sakakibara | 2001-06-05 |
| 6208367 | Light beam scanning apparatus and image forming apparatus | Koji Tanimoto, Naoaki Ide, Jun Sakakibara | 2001-03-27 |
| 6188424 | Light beam scanning, image forming apparatus, and method of adjusting the image forming apparatus | Koji Tanimoto, Naoaki Ide, Jun Sakakibara | 2001-02-13 |
| 5995246 | Light beam scanning apparatus for use with image forming apparatus | Koji Tanimoto, Naoaki Ide, Jun Sakakibara | 1999-11-30 |
| 5929891 | Light beam scanning apparatus and image forming apparatus | Koji Tanimoto, Kunihiko Miura, Naoaki Ide, Jun Sakakibara | 1999-07-27 |
| 5892533 | Beam passage position control apparatus for controlling a beam passage position and an image forming apparatus using the same | Koji Tanimoto, Naoaki Ide, Jun Sakakibara | 1999-04-06 |
| 5854958 | Image forming apparatus having test patterns for correcting color discrepancy | Koji Tanimoto, Naoaki Ide | 1998-12-29 |
| 5778280 | Image forming apparatus which corrects for misregistration | Koji Tanimoto, Naoaki Ide | 1998-07-07 |
| 5768671 | Color image forming apparatus having misregistration correction | Koji Tanimoto, Naoaki Ide | 1998-06-16 |
| 5424763 | Color misregistration-free color image forming apparatus | Jiro Egawa, Kyoichi Okada, Hirokazu Izawa | 1995-06-13 |
| 5414331 | Drive circuit for brushless motor | Hirokazu Izawa, Jiro Egawa | 1995-05-09 |
| 5331341 | Image forming apparatus | Jiro Egawa, Kyoichi Okada, Hideo Mori, Hirokazu Izawa | 1994-07-19 |
| 5287044 | Drive circuit for brushless motor | Hirokazu Izawa | 1994-02-15 |