Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974548 | Developing device and image forming apparatus including same | Ryosuke Mano, Koichi Mihara, Hiroshi Kubota | 2011-07-05 |
| 7580658 | Developer container, developer supply device, and image forming apparatus | Koichi Mihara, Toshihide Ohgoshi, Hiroshi Kubota, Hideaki Kurimoto | 2009-08-25 |
| D522565 | Toner cartridge | Yoshiaki Sanada, Kohichi Mihara, Hisashi Kunihiro, Haruko Yoneda | 2006-06-06 |
| 6421517 | Toner supply device with rotatable agitating element | Toshio Nishino, Yasuyuki Ishiguro, Hiroshi Tanisawa, Haruko Yoneda, Jun Yamaguchi +4 more | 2002-07-16 |
| 6415126 | Developing unit with agitator and conveying sheet for toner | Yasuyuki Ishiguro, Toshio Nishino, Tsutomu Nagata, Hiroshige Araki, Yoshinori Otsuka | 2002-07-02 |
| 6385422 | Developing unit equipped with a toner replenishing device configured with a conveying sheet and rotator | Yasuyuki Ishiguro, Tsutomu Nagata, Toshio Nishino, Hiroshi Tanisawa, Jun Yamaguchi +2 more | 2002-05-07 |
| 6041207 | Apparatus for controlling the movement of magnetized developer material in a latent, electrostatic image developing deviced | Yasuyuki Ishiguro, Yoshiaki Sanada, Toshihiko Takaya, Takahiko Kimura, Shuuhei Yamamoto | 2000-03-21 |
| 5216470 | Method of determining the density of toner | Masato Asanuma, Hisashi Kunihiro | 1993-06-01 |
| 5144382 | Developing device with a scraping unit arranged to form a stirring area | Naotaka Funayama, Ikuo Itoh, Toshiyuki Kurosaka | 1992-09-01 |
| 5009187 | Developing device with shutter | Masato Asanuma | 1991-04-23 |
| 4982691 | Developing device for electrophotographic apparatus having magnet rollers | Masato Asanuma, Toyoka Aimoto | 1991-01-08 |
| 4980728 | Developing device with a magnetic brush turning plate | Naotaka Funayama | 1990-12-25 |
| 4955316 | Developing device | Masato Asanuma, Toyoka Aimoto | 1990-09-11 |
| 4914481 | Developing apparatus | Tamio Yoshikai, Masato Asanuma, Hideaki Hagihara | 1990-04-03 |
| 4912509 | Integrated detachable image forming unit and developing unit of an image forming apparatus | — | 1990-03-27 |
| 4821063 | Image forming apparatus | — | 1989-04-11 |