Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7929874 | Transfer device and image forming apparatus using the same | Hideshi Izumi, Takahiko Yoshida, Hiroyuki Murai | 2011-04-19 |
| 7887041 | Feed roller assembly and image forming apparatus | — | 2011-02-15 |
| 7817951 | Cleaning member and image forming apparatus using the same | Kan Mukai, Takashi Yamanaka, Tatsuya Inoue | 2010-10-19 |
| 7769313 | Charging device and image forming apparatus | Kazuhiro Matsuyama, Hirokazu Yamauchi, Hiroyuki Murai | 2010-08-03 |
| 7734243 | Image forming apparatus | Kouji Wakamoto, Tatsuya Inoue, Yasuhiro Takai | 2010-06-08 |
| 7702277 | Image forming apparatus and maintenance method thereof | Hirokazu Yamauchi, Kazuhiro Matsuyama, Hiroyuki Murai | 2010-04-20 |
| 7664429 | Transfer mechanism and image forming apparatus using the same | Hiroyuki Murai, Junya Masuda, Toshihiko Seike, Kazuhiro Matsuyama | 2010-02-16 |
| 7660547 | Charging device | Masato Kuze, Yuji Kumagai, Hirokazu Yamauchi, Hiroyuki Murai | 2010-02-09 |
| 7599647 | Charging device and electrophotographic apparatus including the same | Tatsuya Inoue, Hirokazu Yamauchi, Kazuhiro Matsuyama, Yasuhiro Takai | 2009-10-06 |
| 7587165 | Image forming apparatus | Tatsuya Inoue, Kouji Wakamoto, Tsutomu Yoshimoto, Syoichiro Yoshiura | 2009-09-08 |
| 7539455 | Image forming apparatus | Kouji Wakamoto, Tatsuya Inoue, Hiroshi Ishii | 2009-05-26 |
| 7526217 | Image forming apparatus and waste toner warning method | Kazuhiro Matsuyama, Hirokazu Yamauchi, Hiroyuki Murai, Yuji Kumagai | 2009-04-28 |
| 7509061 | Image forming apparatus | — | 2009-03-24 |
| 7460800 | Image forming apparatus with adaptive pre-processing and post-processing based on usage history | Hirokazu Yamauchi, Tatsuya Inoue, Yoshiharu Yoneda, Kazuhiro Matsuyama | 2008-12-02 |
| 7451981 | Sheet conveying device | Noriaki Taguchi, Hiroyuki Murai | 2008-11-18 |
| 7386242 | Image forming apparatus | Tatsuya Inoue, Kouji Wakamoto, Shiro Narikawa | 2008-06-10 |
| 7379694 | Belt transfer apparatus and image forming device | Yoko Sawa, Hirokazu Yamauchi, Yoshiaki Masuda, Yoshie Iwakura, Hiroshi Ishii | 2008-05-27 |
| 7340206 | Image forming apparatus with a loop belt transferring a recording medium | — | 2008-03-04 |
| 7313338 | Image transfer device | Fumio Shimazu, Hiroyuki Murai, Yoko Sawa | 2007-12-25 |
| 7302217 | Image forming apparatus and transfer apparatus employing endless belt | Yoshiaki Masuda, Fumio Shimazu, Hiroyuki Murai, Hirokazu Yamauchi | 2007-11-27 |
| 7162178 | Transfer device and image forming apparatus | Hiroshi Tachiki, Hirokazu Yamauchi, Hiroyuki Murai, Yoshiaki Masuda, Fumio Shimazu +1 more | 2007-01-09 |
| 7099601 | Image forming apparatus | Hiroyuki Murai, Yoshiaki Masuda, Noriaki Taguchi | 2006-08-29 |