Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7949281 | Process cartridge and image forming apparatus for effectively cleaning a charging roller at predetermined intervals | Takaya Muraishi, Takeshi Shintani, Ken Amemiya, Yoshiki Hozumi, Hiroshi Ono | 2011-05-24 |
| 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 |