Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8190072 | Developing device and image forming apparatus having the same | Minoru Wada, Hisashi Mukataka, Seishi Ojima | 2012-05-29 |
| 7634216 | Image forming device | Masanobu Maeshima, Yoshihiro Yamagishi | 2009-12-15 |
| 7437103 | Imaging apparatus | Masanobu Maeshima, Yoshihiro Yamagishi | 2008-10-14 |
| 7340205 | Full-color electrophotographic image forming apparatus | Hisashi Mukataka, Eiji Gyoutoku | 2008-03-04 |
| 5991586 | Developing device including a magnetic regulating member | — | 1999-11-23 |
| 5038176 | Image forming apparatus having plural magnetic brush developing devices | Tomoaki Yokoyama, Kunio Toda | 1991-08-06 |
| 5036369 | Image forming apparatus | Kunio Toda, Tomoaki Yokoyama | 1991-07-30 |
| 4845524 | Image forming method | Hiroshi Okamoto, Naoki Toyoshi, Kenji Tabuchi, Kaoru Takebe | 1989-07-04 |