Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9217986 | Image forming apparatus | Yu Shuhama, Yuichiro Osawa, Masao Amano, Kiyoharu Yoshioka | 2015-12-22 |
| 8867965 | Image forming apparatus with device for preventing gear disengagement | Takuya Suto, Daisuke Aoki, Kiyoharu Yoshioka, Masao Amano | 2014-10-21 |
| 8838007 | Image forming apparatus | Yu Shuhama, Yuichiro Osawa, Masao Amano, Kiyoharu Yoshioka | 2014-09-16 |
| 6583389 | Image heating apparatus, heater for heating image and manufacturing method thereof | Ken Murooka, Akira Hayakawa, Takeshi Niimura | 2003-06-24 |
| 6366745 | Image forming apparatus having a mechanism to clean a driving roller by a recording material | Yasumasa Otsuka, Toshihiko Ochiai, Seietsu Miura, Mahito Yoshioka, Takeshi Niimura +1 more | 2002-04-02 |
| 6300970 | Image forming apparatus having a detachably mounted sheet supply roller | Tatsuo Hamada | 2001-10-09 |
| 6244588 | Sheet feeding device and image forming apparatus equipped with the same | Yasuhito Tsubakimoto, Yoshihiro Matsuo | 2001-06-12 |
| 6084622 | Frame structure and an image forming apparatus using such a frame structure | Yoshinori Sugiura, Jun Azuma, Takeshi Setoriyama, Chitose Tenpaku, Noriyoshi Ishikawa +9 more | 2000-07-04 |
| 5752149 | Image heating apparatus using endless web guided by a guide having inclined surfaces | Akira Yuza, Akira Kuroda, Takeshi Sugita | 1998-05-12 |
| 5708926 | Image heating apparatus with first and second elastic members | Seiji Sagara | 1998-01-13 |
| 5634178 | Gear unit, image forming apparatus and gear unit mounting method | Yoshinori Sugiura, Jun Azuma, Takeshi Setoriyama, Chitose Tenpaku, Noriyoshi Ishikawa +9 more | 1997-05-27 |
| 5621451 | Image forming apparatus | Yoshinori Sugiura, Noriyoshi Ishikawa, Takeshi Setoriyama, Chitose Tenpaku, Tatsuo Hamada +8 more | 1997-04-15 |
| 5586758 | Sheet discharge apparatus and image forming apparatus having such sheet discharge apparatus | Shoji Kimura | 1996-12-24 |
| 5561496 | Image forming apparatus, assembling method of image forming apparatus, and mounting method of outer casing | Yoshinori Sugiura, Jun Azuma, Takeshi Setoriyama, Chitose Tenpaku, Noriyoshi Ishikawa +9 more | 1996-10-01 |
| 5559581 | Image forming apparatus with helical gear drive train | Yoshinori Sugiura, Jun Azuma, Takeshi Setoriyama, Chitose Tenpaku, Noriyoshi Ishikawa +9 more | 1996-09-24 |
| 5532806 | Image fixing apparatus having means for preventing temperature unevenness | Takeshi Sugita, Akira Kuroda, Manabu Takano | 1996-07-02 |
| 5493379 | Heater having contacts for AC and DC | Akira Kuroda, Takeshi Sugita, Akira Yuza | 1996-02-20 |
| 5481347 | Removable rollers in an image fixing device | Yutaka Kikuchi | 1996-01-02 |
| 5404214 | Image heating apparatus comprising a grounded film | Toshio Yoshimoto, Yasumasa Nashida, Yasuhiro Nakata, Akira Kuroda, Takeshi Sugita +1 more | 1995-04-04 |
| 5365322 | Image forming apparatus which detects a jam of a wound sheet | Tatsuo Hamada | 1994-11-15 |
| 5293202 | Image fixing apparatus | Yuzo Isoda, Toshio Miyamoto, Yohji Tomoyuki | 1994-03-08 |
| 5161794 | Sheet conveying device with an overload protection feature | — | 1992-11-10 |
| 5115119 | Heating apparatus and heater | Toshio Yoshimoto | 1992-05-19 |
| 4947208 | Process cartridge and image forming apparatus using same | Teruo Komatsu, Ichiro Ohsawa, Shinji Goto, Takashi Goto, Junichi Asano | 1990-08-07 |
| 4922291 | Sheet feed device | — | 1990-05-01 |