Issued Patents All Time
Showing 51–75 of 136 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D596663 | Printer cartridge | Naoya Kamimura, Yasushi Okabe, Isao Kishi | 2009-07-21 |
| 7532840 | Process cartridge and image forming apparatus | Soichiro Nishimura, Yoshinori Ito | 2009-05-12 |
| 7532839 | Process cartridge with a frame that supports an image holding member and an image forming apparatus | — | 2009-05-12 |
| D590992 | Toner cartridge | Fumio Morita, Fumikazu Sato | 2009-04-21 |
| 7522859 | Developer cartridge with an extension portion | Fumikazu Sato | 2009-04-21 |
| D588632 | Tray for printer cartridges | Naoya Kamimura, Yasushi Okabe, Isao Kishi | 2009-03-17 |
| D588190 | Printer cartridge | Naoya Kamimura, Yasushi Okabe, Isao Kishi | 2009-03-10 |
| D588189 | Tray for printer cartridges | Naoya Kamimura, Yasushi Okabe, Isao Kishi | 2009-03-10 |
| 7489889 | Image formation apparatus and photoreceptor cartridge | Shougo Sato, Yasushi Okabe | 2009-02-10 |
| 7484722 | Image-forming device | — | 2009-02-03 |
| 7486909 | Image forming apparatus with a plurality of drum cartridges and a plurality of developer cartridges | Shougo Sato, Yasushi Okabe | 2009-02-03 |
| 7486259 | Plasma display panel and method for driving the same | Kyoung-Ho Kang, Dae-Gyu Kim, Shigeo Mikoshiba, Akira Gotoda, Kiyoshi Igarashi | 2009-02-03 |
| 7450876 | Developing cartridge, image holding body cartridge, process cartridge and image forming apparatus that are capable of applying a bias voltage to a developing roller without indication of the developing roller | Fumikazu Sato | 2008-11-11 |
| D579970 | Tray for printer cartridges | Naoya Kamimura, Yasushi Okabe, Isao Kishi | 2008-11-04 |
| D579484 | Printer cartridge | Naoya Kamimura, Yasushi Okabe, Isao Kishi | 2008-10-28 |
| 7415223 | Image formation apparatus and photoreceptor cartridge | Shougo Sato, Yasushi Okabe | 2008-08-19 |
| 7412188 | Developer cartridge structured to have a predetermined distance between a first axis and a second axis | Fumikazu Sato, Isao Kishi, Takashi Shimizu | 2008-08-12 |
| 7395008 | Image formation apparatus and photoreceptor cartridge | Shougo Sato, Yasushi Okabe | 2008-07-01 |
| 7386253 | Photosensitive member cartridge, developer cartridge and process cartridge | Isao Kishi, Takashi Shimizu | 2008-06-10 |
| 7366626 | Calibration method and zirconia-type oxygen analyzer using this method | Kentaro Hazama, Yukihiro Seki | 2008-04-29 |
| 7339758 | Etching method, a substrate with a plurality of concave portions, a microlens substrate, a transmission screen and a rear projection | Nobuo Shimizu, Hideto Yamashita | 2008-03-04 |
| 7274894 | Image formation apparatus and photoreceptor cartridge | Shougo Sato, Yasushi Okabe | 2007-09-25 |
| 7236719 | Charger frame, photosensitive member cartridge, and image forming apparatus | — | 2007-06-26 |
| 7212178 | Method and apparatus for driving a display panel | Tomokazu Shiga, Shigeo Mikoshiba, Jurgen Jean Louis Hoppenbrouwers, Dirk De Bruin, Bart Andre Salters +3 more | 2007-05-01 |
| 7190921 | Developing cartridge, photosensitive member cartridge, process unit, and image forming apparatus | Takami Takeuchi, Kazumasa Makino, Hirotaka Mori | 2007-03-13 |