Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045892 | Developing unit, process cartridge, and image forming method and apparatus incorporating an agitation compartment | Koichi Sakata | 2011-10-25 |
| 8027596 | Image forming apparatus | Kunihiro Ohyama, Tadashi Hayakawa | 2011-09-27 |
| 7937027 | Developing device and image forming apparatus | Koichi Kato, Junichi Terai, Kiyonori Tsuda, Emi Kita, Shinya Kikutani +1 more | 2011-05-03 |
| 7899368 | Development device, and image forming apparatus and process cartridge using the development device | Hiroya Hirose, Kiyonori Tsuda | 2011-03-01 |