Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8249489 | Developing unit and image forming device | Hiroyuki Hamakawa, Akihiro Watanabe, Masashi Fujishima, Hiroshi Yamazaki, Asami Kotera | 2012-08-21 |
| 8010025 | Developing unit and image forming device | Hiroyuki Hamakawa, Akihiro Watanabe, Masashi Fujishima, Hiroshi Yamazaki, Asami Kotera | 2011-08-30 |
| 7937008 | Image forming apparatus and image forming method | Masashi Fujishima, Akihiro Watanabe, Yukihiro Mori | 2011-05-03 |
| 7826782 | Developing device and image forming apparatus | Asami Kotera, Hiroyuki Hamakawa, Akihiro Watanabe, Masashi Fujishima, Hiroshi Yamazaki | 2010-11-02 |
| 7773921 | Image forming apparatus with toner collecting roller | Masashi Fujishima, Kiyotaka Kobayashi, Yuki Matsui, Yukihiro Mori, Akihiro Watanabe | 2010-08-10 |