Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7609990 | Image forming apparatus that prevents toner from being jetted when cleaner blade or sealing member is separated from image carrier | Masahiro Maeda, Yoichi Yamada | 2009-10-27 |
| 7609993 | Image forming apparatus that prevents developer from spilling | Masahiro Maeda, Yoichi Yamada, Mamoru Mizunokura, Fuyuto Yamashita | 2009-10-27 |
| 7555252 | Image forming apparatus that prevents conspicuous unevenness in image density | Tomohiro Aruga, Yoichi Yamada, Noboru Sakurai | 2009-06-30 |
| 7536126 | Apparatus for forming image-quality evaluation image | Takayuki Kawakami, Takashi Hama, Yoichi Yamada | 2009-05-19 |
| 7065310 | Image forming apparatus that quickly removes ozone present in the vicinity of a corona charger | Masahiro Maeda, Yoichi Yamada | 2006-06-20 |
| 6806011 | Dry toner for electrophotography, and its production process | Takashi Teshima, Masaki Kato | 2004-10-19 |
| 6686112 | Electrophotographing dry-type toner and production method therefor | Takashi Teshima, Masaki Kato | 2004-02-03 |
| 6145827 | Automatic document conveyer | Hiroyuki Harada, Masuo Kawamoto, Masahiro Sako, Shigeo Kurando | 2000-11-14 |
| 5310617 | Magnetic brush developing process and developer | Kyouya Taguchi, Takashi Teshima, Kazuhiko Yamamura | 1994-05-10 |
| 5272034 | Process for producing electrophotographic toner | Nobuaki Kawano, Nobuyuki Tsuji, Kaoru Tanaka, Masanori Fujii, Atsushi Yamaguchi +2 more | 1993-12-21 |
| 5258253 | Magnetic carrier for electronic reproduction coated with a nitrogen containing silicone resin | Takashi Teshima, Kazuhiko Yamamura, Kyouya Taguchi, Hiroyuki Hazama, Takeshi Higuchi +1 more | 1993-11-02 |
| 5168027 | Carrier of developer, process for preparation thereof, and developing method using same | Kyouya Taguchi, Takashi Teshima, Kazuhiko Yamamura | 1992-12-01 |