Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7953340 | Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member | Masato Tanabe, Shinjiro Toba, Tomio Noguchi | 2011-05-31 |
| 7894733 | Process cartridge and image forming apparatus | Masato Tanabe, Shinjiro Toba, Tomio Noguchi | 2011-02-22 |
| 7890012 | Process cartridge having a drum, a developing roller, and first and second frames, and electrophotographic image forming apparatus on which such process cartridge is mountable | Isao Koishi, Masatomo Tsuzuki, Chikara Imaizumi | 2011-02-15 |
| D631092 | Process cartridge | Masatomo Tsuzuki, Shinjiro Toba, Akira Yoshimura | 2011-01-18 |
| 7869740 | Process cartridge and image forming apparatus | Akira Yoshimura, Kazunari Murayama, Atsushi Numagami | 2011-01-11 |