Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5404216 | Cleaning device, image forming apparatus including the cleaning device, and method of assembling the cleaning device | Atsushi Numagami, Tadayuki Tsuda | 1995-04-04 |
| 5266999 | Process cartridge and image forming apparatus for use with the same | — | 1993-11-30 |
| 5090680 | Sheet inverting apparatus | — | 1992-02-25 |
| 4924267 | Process cartridge and multi-color image forming apparatus using same | Masao Yoshikawa, Takashi Saito, Tatuya Kobayashi, Otoya Kosugiyama, Atsushi Kubota +4 more | 1990-05-08 |