Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7933534 | Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit | Nobuharu Hoshi, Akira Suzuki, Kazuhiko Kanno, Tadashi Horikawa | 2011-04-26 |