Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8112023 | Image forming apparatus and fixing device | Hiroshi Seo, Akiko Ito, Tadashi Ogawa | 2012-02-07 |
| 7885590 | Image forming apparatus and fixing device | Hiroshi Seo, Akiko Ito, Tadashi Ogawa | 2011-02-08 |
| 7817952 | Fixer and image forming apparatus including the same | Hiroshi Seo, Akiko Ito, Tadashi Ogawa | 2010-10-19 |
| 7512371 | Method and apparatus for image forming capable of effective image fixing using induction heating | — | 2009-03-31 |
| 7150954 | Image forming method and toner for use in the method | Mitsuo Aoki, Kumi Hasegawa, Yasushi Koichi, Yutaka Takahashi, Tadashi Kasai | 2006-12-19 |
| 7135660 | Induction heating type fixing device for an image forming apparatus and induction heating coil therefor | Akiko Miyahara, Masae Sugawara, Tomotaka Takamura | 2006-11-14 |
| 6946629 | Induction heating type fixing device for an image forming apparatus and induction heating coil therefor | Akiko Miyahara, Masae Sugawara, Tomotaka Takamura | 2005-09-20 |
| 6899986 | Image forming method and toner for use in the method | Mitsuo Aoki, Kumi Hasegawa, Yasushi Koichi, Yutaka Takahashi, Tadashi Kasai | 2005-05-31 |
| 6753515 | Induction heating type fixing device for an image forming apparatus and induction heating coil therefor | Akiko Miyahara, Masae Sugawara, Tomotaka Takamura | 2004-06-22 |
| 6574448 | Image forming apparatus and method for improving image quality of double sided prints | Hideaki Mochimaru, Yasukuni Omata, Norimasa Sohmiya, Mitsuru Seto, Masanori Matsuda | 2003-06-03 |
| 6340810 | Device with induction heating roller including projecting portions at both ends and a central portion of a bobbin for maintaining a gap between an inner surface of the heating roller and a coil on the bobbin | Hiroshi Yokoyama | 2002-01-22 |
| 6327456 | Induction heating fixing device and image forming apparatus | — | 2001-12-04 |
| 6292648 | Fixing device using induction heating for image forming apparatus | Tomotaka Takamura | 2001-09-18 |
| 6262404 | Induction heating type fixing device and method of producing an induced current generating member therefor | Tomotaka Takamura | 2001-07-17 |
| 6255632 | Device with induction heating roller with a projection between coil windings | Hiroshi Yokoyama | 2001-07-03 |
| 6169871 | Fixing apparatus with improved fixing efficiency | — | 2001-01-02 |
| 5915147 | Image fixing device, image forming apparatus providing the image fixing device and rotor used in the image fixing device and having induction coil inside | Yuzou Kouno, Hiroshi Yokoyama, Jyunji Nakai, Keizou Yasuda, Masahiko Sato +2 more | 1999-06-22 |
| RE36124 | Fixing apparatus | Hiroshi Yokoyama, Yutaka Fukuchi, Atsushi Arai, Masahiko Sato, Jun Okamoto | 1999-03-02 |
| 5832354 | Image fixing device, image forming apparatus providing the image fixing device and rotor used in the image fixing device and having induction coil inside | Yuzou Kouno, Hiroshi Yokoyama, Jyunji Nakai, Keizou Yasuda, Masahiko Sato +2 more | 1998-11-03 |
| 5594540 | Fixing apparatus with a release oil applying member | Yuzo Kouno, Yukiti Shindou | 1997-01-14 |
| 5426495 | Image fixing device having heating portion at one end thereof | Eiji Sawamura | 1995-06-20 |
| 5300996 | Fixing apparatus | Hiroshi Yokoyama, Yutaka Fukuchi, Atsushi Arai, Masahiko Sato, Jun Okamoto | 1994-04-05 |
| 4640608 | Cleaning method for use in electrophotography | Masaaki Ogura, Takato Yano, Kiyozo Hashizume, Toshiyuki Ogawa, Nachio Seko | 1987-02-03 |
| 4181425 | Apparatus for cleaning photosensitive member | Kenzo Ariyama | 1980-01-01 |