Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606471 | Image forming apparatus | Yukikazu Kamei, Tomohiro Oikawa, Hideki Onishi, Hiroshi Doshoda | 2003-08-12 |
| 6601946 | Image forming apparatus in which toner is removed by changing electric field between opposing electrode and control electrode | Yukihito Nishio, Yasuhiro Takai, Hirokazu Fujita | 2003-08-05 |
| 6439788 | Image forming apparatus | Kazuya Masuda, Hajime Yoshinaga | 2002-08-27 |
| 6330408 | Transfer apparatus | Tomohiro Oikawa, Yukikazu Kamei, Hideki Ohnishi, Hiroshi Doshoda | 2001-12-11 |
| 6285382 | Recording medium and image forming apparatus for forming image thereon | Tomoko Nishino, Yoichi Yamamoto | 2001-09-04 |
| 6283583 | Image forming apparatus having float electrode provided to make uniform electric field | Daisaku Imaizumi, Yukihito Nishio, Hirokazu Fujita | 2001-09-04 |
| 6270195 | Image forming apparatus using gates and electrodes for selectively passing toner | Hironori Ogasawara | 2001-08-07 |
| 6250741 | Image forming apparatus using gates and electrodes for selectively passing toner | Nobuhiko Nakano | 2001-06-26 |
| 6203141 | Image forming apparatus having a control electrode support structure for fine adjustment of the control electrode in a region of the gates | Tomohiko Okada | 2001-03-20 |
| 6198900 | Charge supply device for charging bodies in image forming apparatus and the like | — | 2001-03-06 |
| 6198492 | Control electrode cleaning device | Yoshitaka Matsumoto | 2001-03-06 |
| 6170935 | Image forming apparatus that forms image on a medium by jumping developer | Yukihito Nishio, Iwakazu Honda, Katsumi Adachi | 2001-01-09 |
| 6123418 | Image forming apparatus using jumping toner/developer | Nobuhiko Nakano | 2000-09-26 |
| 6102527 | Image forming apparatus | Koji Tsukamoto, Kenji Tani | 2000-08-15 |
| 6099110 | Image forming apparatus | Kenji Tani, Yasuichi Onose, Kazuya Masuda, Nobuhiko Nakano | 2000-08-08 |
| 6079818 | Image forming apparatus forming images using jumping toner/developer | Iwakazu Honda, Katsumi Adachi, Yukihito Nishio | 2000-06-27 |
| 6056390 | Image forming apparatus wherein the velocity of the toner supporting medium is higher than recording medium transport velocity | — | 2000-05-02 |
| 6042220 | Image forming device forming an image on a recording medium using flying developer | Yasuichi Onose, Kazuya Masuda, Kenji Tani, Hajime Yoshinaga | 2000-03-28 |
| 6039435 | Image forming apparatus with restructured image data | — | 2000-03-21 |
| 6030069 | Image forming apparatus, using suction to keep distance between recording medium and control electrode uniform while forming image | Hironori Ogasawara | 2000-02-29 |
| 6015208 | Driving circuit for a control electrode provided in an image forming apparatus | Kazuya Masuda | 2000-01-18 |
| 5966151 | Image forming apparatus | — | 1999-10-12 |
| 5933176 | Image forming apparatus with reduced toner transfer time | — | 1999-08-03 |
| 5874973 | Image forming apparatus that controls flight of developer particles at the start and/or end of an image forming operation | — | 1999-02-23 |
| 5781218 | Image forming apparatus | Kazuya Masuda | 1998-07-14 |