Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8417155 | Swing-gear mechanism and image forming apparatus having multiple speed modes | Tatsuo Fukushima, Nobuhiko Kita, Sei Onuma | 2013-04-09 |
| 8131197 | Fixing device and electro photographic apparatus using the same | Chikara Hiraoka, Kazuhiro Wakamatsu | 2012-03-06 |
| 8073375 | Fixing unit and image forming apparatus having the same | Chikara Hiraoka, Kazuhiro Wakamatsu | 2011-12-06 |
| 7983596 | Housing structure and image forming apparatus | Genta Hagiwara, Nobuhiko Kita, Sei Onuma, Haruo Hashimoto, Masafumi Takahira +1 more | 2011-07-19 |
| 7970311 | Developing device and image forming apparatus using the same | Kenji Nakamura, Yuichiro Suzuki, Shoji Takeya, Chikara Hiraoka | 2011-06-28 |
| 7925193 | Rotary member, developing device, and image forming apparatus | Kouichi Oomori, Katsumasa Mikami, Yuichiro Suzuki, Minoru Toyoda, Yoshitaka Omori | 2011-04-12 |
| 7804628 | Image forming apparatus with an open-close regulation mechanism of the automatic document feeder | Haruo Hashimoto, Takamitsu Ikematsu, Masato Moribe | 2010-09-28 |
| 7758040 | Sheet feed cassette and image forming apparatus using the same | Haruo Hashimoto, Takamitsu Ikematsu, Kazuhiro Wakamatsu, Kouichi Oomori, Tadashi Okano +1 more | 2010-07-20 |
| 7570898 | Image forming apparatus including a wiring housing member | Atsushi Onose, Takamitsu Ikematsu, Mitsuhiro Furuse | 2009-08-04 |
| 6661994 | Electrophotographic image forming system | Yoshio Ohuchi, Kazuhiro Wakamatsu, Hisao Suka, Chikara Hiraoka, Shizuo Tsuruta +6 more | 2003-12-09 |
| 6400923 | Fixing device improved in offset-prevention | Hiromitsu Fukuda, Toshio Ogiso, Masaru Nakano, Kazuo Kikuchi, Chikara Hiraoka +3 more | 2002-06-04 |
| 6094549 | Electrograph apparatus enabling removal of offensive substances | Chikara Hiraoka, Katsuyoshi Onose | 2000-07-25 |
| 5604572 | Developing apparatus having developing agent accommodating cartridge and cartridge for accommodating developing agent for use in developing apparatus | Mitsuo Suzuki, Isamu Terashima | 1997-02-18 |
| 5491537 | Developing apparatus having developing agent accommodating cartridge and cartridge for accommodating developing agent for use in developing apparatus | Mitsuo Suzuki, Isamu Terashima | 1996-02-13 |
| 5345301 | Image fixing device and electrophotographic apparatus incorporated with such device | Toshiya Satoh, Tsuneaki Kawanishi, Ryuuichi Shimizu, Akira Shimada | 1994-09-06 |