Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6678484 | Image forming apparatus and method for removing a non-transferred toner image | Yasushi Koshimura, Yukiko Omori, Junichi Hamada | 2004-01-13 |
| 6591075 | Cleaning method of toner image carrying body, cleaning device of the toner image carrying body and image forming apparatus equipped therewith | Junichi Koiso, Atsushi Ogane, Junichi Hamada, Yukiko Omori, Kazuhiko Sato | 2003-07-08 |
| 6385410 | Fixing apparatus using a thin-sleeve roller which achieves a good fixing result while suppressing electric power consumption | Naohiko Hanyu, Shinsuke Fujita | 2002-05-07 |
| 5953561 | Process cartridge for use in image forming apparatus | Susumu Tashiro, Naoki Otomo, Yutaka Miyasaka, Motozi Kawamoto, Kazunori Katada | 1999-09-14 |
| 5742874 | Charging device | Yasushi Koshimura, Kiyohari Nakagama, Atsushi Ogane | 1998-04-21 |
| 5488457 | Image forming apparatus with power source control | Kiyohari Nakagama | 1996-01-30 |
| 5311261 | Toner density control method for image recording apparatus and apparatus for the same | Kiyohari Nakagama, Satoshi Watanabe | 1994-05-10 |
| 5181074 | Toner replenishing device | Noboru Koizumi, Shigeru Okazaki | 1993-01-19 |
| 5162855 | Image forming apparatus having temperature sensor for estimating the off time of the fuser as related to the platen glass temperature | Kiyohari Nakagama, Satoshi Watanabe | 1992-11-10 |
| 5109253 | Copier technique for determining speed and threshold number of sheets for a copier | Kiyohari Nakagama, Satoshi Watanabe | 1992-04-28 |
| 4963940 | Toner cartridge for a copying apparatus | Atsuo Ohmura, Jun-ichi Koiso, Kohji Ishii | 1990-10-16 |
| 4941022 | Toner recovery device | Atsuo Ohmura, Jun-ichi Koiso, Kohji Ishii | 1990-07-10 |
| 4568175 | Blade cleaning device | Shigeru Inowa, Takashi Ito | 1986-02-04 |
| 4536082 | Transfer type electrostatic reproducing apparatus | Mitsuo Motohashi, Akihiko Tamura | 1985-08-20 |
| 4468113 | Transfer type electrostatic reproducing apparatus | Mitsuo Motohashi | 1984-08-28 |