Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027628 | Cleaning device, process cartridge, and image forming apparatus | Kazuhiko Watanabe, Masahiko Shakuto, Osamu Naruse | 2011-09-27 |
| 7415238 | Cleaning device, process cartridge, and image forming apparatus that include a blade that is pressed against a surface of a rotating member at a surface pressure of 2.0 MPa or more | Kazuhiko Watanabe, Masahiko Shakuto, Osamu Naruse | 2008-08-19 |