Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8059988 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino, Katsuhiko Oba | 2011-11-15 |
| D639846 | Process cartridge | Tachio Kawai, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-06-14 |
| D639335 | Process cartridge | Tachio Kawai, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-06-07 |
| D638057 | Process cartridge | Tachio Kawai, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-05-17 |
| D638056 | Process cartridge | Tachio Kawai, Tadashi Horikawa, Hiroshi Takarada, Sadaaki Tani | 2011-05-17 |
| 7933534 | Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit | Nobuharu Hoshi, Akira Suzuki, Makoto Hayashida, Tadashi Horikawa | 2011-04-26 |
| 7929881 | Process cartridge and electrophotographic image forming apparatus | Yasufumi Yoshino | 2011-04-19 |