Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749022 | Charging apparatus and method for use in image forming device | Shinsuke Kikui, Ichiro Shimeki, Naomi Sugimoto | 1998-05-05 |
| 5678129 | Image forming apparatus with contact type charging member | Shinsuke Kikui, Naomi Sugimoto | 1997-10-14 |
| 5258248 | Image density control method for an image forming apparatus | Masaki Tokuhashi, Moriyuki Koike, Kouji Ishigaki, Takashi Bisaiji, Chikara Imai | 1993-11-02 |
| 5028960 | Image density control method for an image forming apparatus | Moriyuki Koike, Masaki Tokuhashi, Kouji Ishigaki, Yoshihiro Abe | 1991-07-02 |
| 4896625 | Developing device | Koji Sakamoto, Toshio Kaneko, Fuchio Kanno | 1990-01-30 |
| 4674439 | Developing device | Koji Sakamoto, Toshio Kaneko, Fuchio Kanno | 1987-06-23 |
| 4656964 | Developing device | Fuchio Kanno, Kazuo Kobayashi, Koji Sakamoto, Toshio Kaneko | 1987-04-14 |
| 4625676 | Developing device | Koji Sakamoto, Toshio Kaneko, Fuchio Kanno | 1986-12-02 |
| 4624545 | Developing device with regulated developer supply | Koji Sakamoto, Toshio Kaneko, Fuchio Kanno | 1986-11-25 |
| 4575220 | Developing device | Koji Sakamoto, Toshio Kaneko, Fuchio Kanno | 1986-03-11 |
| 4564285 | Developing device having dispersed floating electrodes in a dielectric layer | Koji Sakamoto, Fuchio Kanno | 1986-01-14 |
| 4561381 | Voltage-controlled developing device | Toshio Kaneko, Koji Sakamoto, Fuchio Kanno | 1985-12-31 |
| 4528937 | Device for forming a developer film | Fuchio Kanno, Koji Sakamoto, Kazuo Kobayashi, Hiromi Ogiyama | 1985-07-16 |