Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7979009 | Developer supplying cartridge including a developer supplying port shutter portion and electrophotographic image forming apparatus using the cartridge | — | 2011-07-12 |
| D639846 | Process cartridge | Kazuhiko Kanno, Tachio Kawai, Hiroshi Takarada, Sadaaki Tani | 2011-06-14 |
| D639335 | Process cartridge | Kazuhiko Kanno, Tachio Kawai, Hiroshi Takarada, Sadaaki Tani | 2011-06-07 |
| D638056 | Process cartridge | Kazuhiko Kanno, Tachio Kawai, Hiroshi Takarada, Sadaaki Tani | 2011-05-17 |
| D638057 | Process cartridge | Kazuhiko Kanno, Tachio Kawai, 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, Kazuhiko Kanno | 2011-04-26 |