Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8135293 | Image forming apparatus and apparatus | Yoji Yamaguchi, Mihoko Tanaka | 2012-03-13 |
| 8131165 | Image forming apparatus and waste powder transporting method | Yoji Yamaguchi, Shigeo Ohno, Mihoko Tanaka | 2012-03-06 |
| 8116644 | Image forming apparatus and waste powder transporting method | — | 2012-02-14 |
| 8116645 | Image forming apparatus with multiple waste powder storing containers | Yoji Yamaguchi, Mihoko Tanaka | 2012-02-14 |
| 8036586 | Developer delivering device and image forming apparatus | Tatsuya Soga, Mihoko Tanaka, Satoshi Shigezaki | 2011-10-11 |
| 7965972 | Image forming apparatus, powder transporting apparatus and waste-powder transporting method | Yoji Yamaguchi, Mihoko Tanaka | 2011-06-21 |
| 7835667 | Discharger, image carrier unit, and image forming apparatus | Shigeo Ohno, Tsutomu Sugimoto, Yasuo Takayama, Yoji Yamaguchi, Yoshitaka Kuroda +4 more | 2010-11-16 |
| 7813690 | Cleaning device | Shigeo Ohno, Masayuki Kono, Toshiyuki Matsui | 2010-10-12 |
| 7711284 | Cleaning device for a charging roller of an electrophotographic system | Hideaki Ohike, Yusuke Kitagawa, Toshiyuki Matsui | 2010-05-04 |
| 7616913 | Charging roller cleaning device with guiding portion and image forming device having same | Toshiyuki Matsui, Masayuki Kono | 2009-11-10 |