Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974565 | Cleaning device for image forming apparatus and process cartridge provided therewith | Kazuhiko Watanabe | 2011-07-05 |
| 7949281 | Process cartridge and image forming apparatus for effectively cleaning a charging roller at predetermined intervals | Takaya Muraishi, Atsushi Sampe, Takeshi Shintani, Ken Amemiya, Hiroshi Ono | 2011-05-24 |
| 7899382 | Lubricant supplier, process cartridge including same, and image forming apparatus including same | Kazuhiko Watanabe, Takeshi Saitoh | 2011-03-01 |
| 7894758 | Image forming apparatus, image forming device charging device and lubricant supplying device constitution | Takeshi Shintani, Hiroshi Ono, Satoshi Hatori, Kaoru Yoshino, Akio Kosuge +3 more | 2011-02-22 |