Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11703785 | Decurling device and image forming apparatus | Shingo Akiyama | 2023-07-18 |
| 11279147 | Decurling device and image forming apparatus | Shingo Akiyama, Shogo Kamiya, Seiji Taira | 2022-03-22 |
| 11249433 | Decurling device and image forming apparatus | Shingo Akiyama, Shogo Kamiya, Seiji Taira | 2022-02-15 |
| 10816921 | Fixing apparatus and image forming apparatus | Tsuyoshi Sunohara, Yuichiro Saito, Yasunori Fujimoto | 2020-10-27 |
| 9581949 | Fixing device and image forming apparatus | Masaki Nagata | 2017-02-28 |
| 9459570 | Fixing device, heating device, image forming apparatus, and method of manufacturing heating device | Mikio Saiki, Mitsuhiro Matsumoto, Kazuyoshi Ito, Yasuhiro Uehara, Atsumi Kurita +2 more | 2016-10-04 |
| 9235171 | Fixing device having heating portion with rigidity adjusting portions and image forming apparatus | Hideaki Ohara, Mitsuhiro Matsumoto, Kazuyoshi Ito, Yasuhiro Uehara, Mikio Saiki +5 more | 2016-01-12 |
| 9122214 | Fixing device and image forming apparatus | Mitsuhiro Matsumoto, Hideaki Ohara, Yasuhiro Uehara, Kazuyoshi Ito, Mikio Saiki +1 more | 2015-09-01 |
| 8897686 | Fixing device and image forming apparatus | Mitsuhiro Matsumoto, Hiroyoshi Inoue, Junpei Amano, Atsumi Kurita | 2014-11-25 |
| 8295752 | Fixing device and image forming apparatus | Yuhei Tomita, Eiichiro Tokuhiro, Shigehiko Haseba, Takayuki Uchiyama, Motofumi Baba +1 more | 2012-10-23 |
| 8270887 | Fixing device, image forming apparatus, and magnetic field generating device having a pressing member | Takayuki Uchiyama, Motoi Noya, Masakatsu Eda, Kiyoshi Iwai, Shuji Yoshikawa +6 more | 2012-09-18 |
| 8185038 | Curl correction device and image forming apparatus | Masakatsu Eda, Norio Ogawahara, Noriyuki Miyoshi, Tatsunori Izawa | 2012-05-22 |
| 6347196 | Image sticking reducing method and apparatus | Takashi Kawabata, Shuji Iseki, Keiji Yamamoto, Naoto Yoshino, Naoto Nishi +3 more | 2002-02-12 |
| 6175711 | Image forming apparatus having a toner diffuser | Naoto Yoshino, Tatsuya Soga, Naoto Nishi, Yukio Hayashi, Takashi Kawabata +3 more | 2001-01-16 |
| 6144831 | Image forming apparatus and method | Katsuya Takenouchi, Yasushi Kawahata, Keiji Yamamoto, Noriaki Kojima, Yukio Hayashi +4 more | 2000-11-07 |
| 6104899 | Image forming apparatus capable of reducing the skew of an image formed on a sheet | Norio Hokari, Takashi Kawabata, Keiji Yamamoto, Naoto Yoshino, Naoto Nishi +3 more | 2000-08-15 |
| 5822665 | Image forming apparatus having means for preventing vibration of a transfer film caused from the operation of a separating device | Keiji Yamamoto, Yoshihiro Enomoto, Masaaki Tokunaga, Satoshi Fukada, Tetsuya Fujita +2 more | 1998-10-13 |
| 5784668 | Image forming apparatus | Nobuo Hyakutake, Yoshihiro Enomoto, Junichi Hama, Tetsuya Fujita | 1998-07-21 |
| 5778298 | Transfer device having a copy medium guide | Yoshihiro Enomoto, Nobuo Hyakutake, Hitoshi Funato, Tetsuya Fujita | 1998-07-07 |
| 5737681 | Image forming apparatus having curling device for holding transfer material and method of curling sheet | Nobuo Hyakutake, Yasuo Nakamura, Fumio Furusawa, Keiji Yamamoto, Masaaki Tokunaga +4 more | 1998-04-07 |