Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991565 | Fixing device | Naohiko Hanyu, Yoshiko Matsuoka | 1999-11-23 |
| 5987296 | Fixing device with heat roller having heating resistor layer therein | Tetsuko Omoto, Seiji Yamaguchi | 1999-11-16 |
| 5937256 | Fixing oil coating apparatus, and fixing unit therewith | Kazuhiro Nakazawa, Azusa Nakamura, Takahiko Ushiroji | 1999-08-10 |
| 5596397 | Image forming apparatus provided with a heat pipe which has a center located on the sheet passage reference side with respect to the center of the heat roller | Takahiko Ushiroji | 1997-01-21 |
| 5095333 | Image recording apparatus with cooling fan | — | 1992-03-10 |
| 4867100 | Developing apparatus | Yoshio Yamazaki, Kazuhiko Uneme | 1989-09-19 |