Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8705058 | Print/copy control system including a processing unit with a display unit for displaying a listing of advice information for comparison | — | 2014-04-22 |
| 8131198 | Image forming apparatus, fixing unit, and image forming method with improved heating mechanism | Kenji Ishii, Akiyasu Amita, Kenichi Hasegawa, Yasuhiro Kohira, Yasutada Tsukioka +2 more | 2012-03-06 |
| 5400123 | Image forming apparatus capable of erasing an image recorded in a sheet | Masumi Sato, Motokazu Yasui, Kenichi Hasegawa, Eiji Sawamura, Masahiko Sato +2 more | 1995-03-21 |