Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9778605 | Heater lamp for fixation, fixing device, and image forming apparatus | Toshiyuki Kabata, Hideyuki Yasufuku, Hiroyuki Shimada, Takeshi Shibuya | 2017-10-03 |
| 6819439 | Image forming apparatus including an image seperation unit | Koji Hayashi | 2004-11-16 |
| 6185007 | Image forming apparatus | Koji Hayashi, Takashi Bisaiji, Katsuhisa Tsuji | 2001-02-06 |
| 6055071 | Image forming apparatus | Kouji Hayashi | 2000-04-25 |