Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8913938 | Fixing device and image formation apparatus | — | 2014-12-16 |
| 8781378 | Fixing device and image forming apparatus | Naoki Yamamoto, Mamoru Fukaya, Toru Hayase | 2014-07-15 |
| 8639170 | Fixing device and image forming apparatus with a mechanism to extend life of a fixing belt | Mamoru Fukaya, Naoki Yamamoto, Toru Hayase | 2014-01-28 |
| 8639171 | Fixing device and image forming apparatus with a mechanism to extend a life of a fixing belt | Mamoru Fukaya, Naoki Yamamoto, Toru Hayase | 2014-01-28 |
| 8606163 | Fixing device and image forming apparatus | Naoki Yamamoto, Mamoru Fukaya, Toru Hayase | 2013-12-10 |
| 8582998 | Fixing device and image forming apparatus | Toru Hayase, Naoki Yamamoto, Mamoru Fukaya | 2013-11-12 |
| 8498562 | Fixing device and image forming apparatus comprising the same | — | 2013-07-30 |
| 8410408 | Induction heating unit, fixing device and method for attaching coil for induction heating unit | Hirotaka Kanou | 2013-04-02 |
| 8355662 | Heat generating sleeve, fixing device and image forming apparatus | — | 2013-01-15 |
| 8351836 | Heat generating roller, fixing device and image forming apparatus | — | 2013-01-08 |
| 8346148 | Fixing device and image forming apparatus | Mamoru Fukaya, Naoki Yamamoto, Toru Hayase | 2013-01-01 |
| 7171150 | Belt-type fixing device | — | 2007-01-30 |
| 7149464 | Belt-type fixing device | Satoru Yoneda, Yutaka Otsuka, Shigeo Nakamura | 2006-12-12 |
| 6208499 | Corona discharge device | Yasuhiro Nakagami, Kouji Matsushita | 2001-03-27 |
| 6032016 | Fixing apparatus including apparatus for controlling the supply of releasing agent | Yuusuke Morigami, Mitsuru Isogai, Takashi Yamada, Ryo Kawamura, Eiji Okabayashi | 2000-02-29 |
| 5847361 | Belt fixing system and method therefor | Satoru Yoneda, Kazuo Mohri | 1998-12-08 |
| 5724638 | Fixing device for image forming apparatus | Mitsuru Isogai, Takashi Yamada, Tetsuro Ito, Taizou Oonishi | 1998-03-03 |
| 5666604 | Image forming apparatus with charging device having projecting zip discharge electrode and improved parameters | Yasuhiro Nakagami, Kouji Matsushita | 1997-09-09 |
| 5596391 | Image forming apparatus having transfer constant current source adjustable in response to the thickness of dielectric layer | Kouji Matsushita, Yasuhiro Nakagami | 1997-01-21 |
| 5532798 | Charging device having a plate electrode and a cleaning device for cleaning edges of the plate electrode | Yasuhiro Nakagami, Kouji Matsushita, Noboru Ito, Yoshihiro Shojo, Katsuhiko Takeda | 1996-07-02 |
| 5466938 | Corona discharge device | Yasunori Nakayama, Kouji Matsushita, Yasuhiro Nakagami, Shizuo Yuge | 1995-11-14 |