Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223010 | Resin product, method of disassembling the resin product, process cartridge, method of disassembling the process cartridge, and electrophotographic image forming apparatus | — | 2001-04-24 |
| 5825472 | Photosensitive drum, process cartridge and image forming apparatus | Yoshinori Sugiura, Hideshi Kawaguchi, Hiroaki Miyake, Yoshiya Nomura, Kenji Matsuda +1 more | 1998-10-20 |
| 5701562 | Developing sleeve having a cylindrical portion and a non-cylindrical portion provided by the same member, and developing device using the sleeve | Atsushi Kubota, Shinichi Sasaki, Koji Miura | 1997-12-23 |