Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658227 | Development method apparatus, image formation and process cartridge for suppressing variation in toner charge | Hajime Oyama, Tsukuru Kai, Katsuhiro Aoki, Yasuo Miyoshi, Ichiro Kadota | 2003-12-02 |
| 6608984 | Image forming method and apparatus using developer carrier pressed into engagement with image carrier | Junichi Matsumoto, Katsuhiro Aoki | 2003-08-19 |
| 6526248 | Toner support member and developing device prevented from charging toner by friction | Katsuhiro Aoki, Hajime Oyama | 2003-02-25 |
| 6505014 | Image forming apparatus and an image forming process unit | Katsuhiro Aoki, Hisashi Shoji, Tsukuru Kai, Hajime Oyama, Noriyoshi Tarumi +1 more | 2003-01-07 |