Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813674 | Developing toner for electrophotography and electro-photographic device | Junji Kobayashi, Shigenori Yaguchi, Hirobumi Ouchi | 2010-10-12 |
| 7689153 | Image forming system having charge balancing system | Tsutomu Nakagawa, Koji Kato, Kenji Nozawa | 2010-03-30 |
| 7570904 | Image forming apparatus | Shigenori Yaguchi, Junji Kobayashi, Hirobumi Ouchi | 2009-08-04 |
| 7435519 | Electrophotographic toner and image forming apparatus | Shigenori Yaguchi, Junji Kobayashi, Hirobumi Ouchi | 2008-10-14 |
| 6157798 | Electrostatic recording apparatus | Tsuneaki Kawanishi, Katsuya Kawai, Koji Kato, Masayasu Anzai | 2000-12-05 |
| 5923933 | Electrophotographic apparatus | Masayasu Anzai, Tsuneaki Kawanishi, Yoshitaka Fujinuma, Hiroyoshi Matsumoto, Yasuo Takuma +7 more | 1999-07-13 |