Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11814258 | Sheet binding device, image forming apparatus | — | 2023-11-14 |
| 11650532 | Document conveyance device, document reading device and image forming apparatus | Seiji Okada | 2023-05-16 |
| 11297193 | Document conveyance apparatus | — | 2022-04-05 |
| 10075601 | Document conveying device and image forming apparatus | — | 2018-09-11 |
| 9657505 | Hinge mechanism for automatic document feeder and automatic document feeder provided therewith | — | 2017-05-23 |
| 9475664 | Document conveyance device and image forming apparatus | — | 2016-10-25 |
| 9360805 | Intermediate transfer unit for stably charging and cleaning | — | 2016-06-07 |
| 9146496 | Cleaning device, intermediate transfer unit and image forming apparatus | — | 2015-09-29 |
| 8965240 | Cleaning device, intermediate transfer unit including the same, and image forming apparatus including the same | — | 2015-02-24 |
| 8903293 | Fuser device and image forming apparatus provided with same | — | 2014-12-02 |
| 8503909 | Image forming apparatus | — | 2013-08-06 |
| 8385794 | Belt device and image forming apparatus provided with the same | — | 2013-02-26 |
| 8306456 | Belt device and image forming apparatus provided with the same | — | 2012-11-06 |
| 7513497 | Image forming apparatus and sheet feeding cassette | — | 2009-04-07 |
| 7484728 | Paper storage device | — | 2009-02-03 |
| 7404555 | Paper feeder for an image forming apparatus | — | 2008-07-29 |
| 7379701 | Sheet cassette and image forming apparatus | Yukihiro Itoh | 2008-05-27 |
| 6879785 | Image forming apparatus having reusable unit and reusable unit with indicator of record on use | Yukihiro Ito, Hideki Kitagawa | 2005-04-12 |
| 6718153 | Developing device for preventing thickening of the developer at both ends of a sleeve | Ryoji Nishimura, Yasuyuki Hirai, Kotaro Kawasaki, Naoyuki Ishida, Yukihiro Ito +3 more | 2004-04-06 |
| 6658223 | Toner seal for a cleaning device | Ryoji Nishimura, Shinsuke Kawashima, Tsuyoshi Koyanagi, Yuzo Onishi, Hironori Takahashi | 2003-12-02 |
| 5995799 | Image forming machine toner replenishing device capable of agitating the toner to avoid toner stagnation | Takashi Nagashima, Ryoji Nishimura, Ikuo Makie, Toshinori Nishimura | 1999-11-30 |
| 5893010 | Toner density controlling method and apparatus | Takashi Nagashima, Toshinori Nishimura, Ryoji Nishimura, Ikuo Makie | 1999-04-06 |