Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6266501 | Image-forming apparatus having a seal for a developer and a method for detecting a removal of the seal | Haruji Mizuishi, Masaru Tanaka, Kenzo Tatsumi, Ken Amemiya, Toshitaka Yamaguchi +3 more | 2001-07-24 |
| 6148161 | Image forming apparatus with improved toner density control | Ken Amemiya, Haruji Mizuishi, Mayumi Ohori, Masaru Tanaka, Kenzo Tatsumi +3 more | 2000-11-14 |
| 6144822 | Image forming apparatus having detachable transfer roller and discharge device | Toshitaka Yamaguchi, Masaru Tanaka, Hiroshi Mizusawa, Kenzo Tatsumi, Ken Amemiya +3 more | 2000-11-07 |
| 6101361 | Image forming apparatus with a device and a method to increase contact area between a transfer sheet and an image carrier | Kenji Karashima, Kohichi Yamazaki, Kentaro Matsumoto, Kazuhiko Yuuki, Manabu Mochizuki +2 more | 2000-08-08 |
| 5884134 | Image forming apparatus with a device to increase contact area between a transfer sheet and an image carrier | Kenji Karashima, Kohichi Yamazaki, Kentaro Matsumoto, Kazuhiko Yuuki, Manabu Mochizuki +2 more | 1999-03-16 |
| 5864733 | Developing device for image forming apparatus | Asami Mae, Manabu Mochizuki, Kentaro Matsumoto, Kenji Karashima, Kazuhiko Yuki +2 more | 1999-01-26 |
| 5175584 | Cleaning control device for image forming equipment | — | 1992-12-29 |
| 5083169 | Device for removing deposits from a photoconductive element of an image recorder which is movable between a cleaning and non-cleaning position | Hidenobu Endo | 1992-01-21 |
| 4945389 | Method of cleaning a photoconductive element of an image recorder | Tsumori Satoh | 1990-07-31 |