Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204578 | Cleaning device, waste toner recovery device, and image forming device | Koichi Sato, Masakazu Shirai, Hibiki Sasaki, Kaoru Matsushita, Kiyotoshi Kaneyama +1 more | 2021-12-21 |
| 11067941 | Image forming apparatus including a roller support unit and a contact portion | Masakazu Shirai, Koichi Sato, Hibiki Sasaki, Kaoru Matsushita, Kiyotoshi Kaneyama | 2021-07-20 |
| 11009813 | Image forming apparatus including a dispersion unit | Kaoru Matsushita, Koichi Sato, Masakazu Shirai, Hibiki Sasaki, Kiyotoshi Kaneyama | 2021-05-18 |
| 10073394 | Image forming apparatus and fixing device | Kunihiko Sato, Kosuke Yamada | 2018-09-11 |
| 9052648 | Image forming apparatus | Tsutomu Komiyama, Yoko Miyamoto | 2015-06-09 |
| 9046866 | Cleaning device and image forming apparatus | Koichi Sato, Kazuyoshi Hagiwara, Kuniaki Tanaka, Yuji Kamikawa, Koji Deguchi +2 more | 2015-06-02 |
| 8897668 | Cleaning device and image forming apparatus including the same | Atsushi Kaneko, Kazuyoshi Hagiwara, Masaaki Tokunaga, Koichi Sato, Tsutomu Komiyama | 2014-11-25 |
| 8879968 | Image forming apparatus including a correction function for deviation of an endless belt | Masaaki Takahashi, Yasuhiro Shimada, Takashi Hoshino, Koichi Sato, Yusuke Sakai +2 more | 2014-11-04 |
| 8862019 | Cleaning device and image forming apparatus including the same | Tsutomu Komiyama, Masaaki Tokunaga, Masakazu Shirai, Kazuyoshi Hagiwara, Koichi Sato +1 more | 2014-10-14 |
| 8744302 | Cleaning device, image forming apparatus, and transfer unit including pressing unit | Kaoru Matsushita, Kazuyoshi Hagiwara, Kuniaki Tanaka, Koichi Sato, Yuji Kamikawa +2 more | 2014-06-03 |
| 8422906 | Image formation device | Tsutomu Komiyama, Masaaki Takahashi, Kazuyuki Kouda | 2013-04-16 |
| 8346138 | Intermediate transfer unit, transfer device and image forming apparatus | Kiyotoshi Kaneyama | 2013-01-01 |
| 8175494 | Intermediate transfer device, transfer device and image forming apparatus for wrinkle suppression | Kiyotoshi Kaneyama, Tadakazu Edure | 2012-05-08 |
| 8113515 | Paper sheet transporting device and image forming apparatus using the same | Tsutomu Komiyama, Kiyotoshi Kaneyama, Katsunori Kikuchihara | 2012-02-14 |
| 8045869 | Primary transfer device and image forming apparatus having the same | Kiyotoshi Kaneyama, Masaaki Takahashi, Tadakazu Edure, Katsunori Kikuchihara | 2011-10-25 |
| 5965275 | Adhesive fluorine-containing polymer and laminate employing it | Eiichi Nishi, Seitoku Kaya, Masayuki Saito, Haruhisa Miyake | 1999-10-12 |
| 5736610 | Adhesive fluorine-containing polymer and laminate employing it | Eiichi Nishi, Seitoku Kaya, Masayuki Saito, Haruhisa Miyake | 1998-04-07 |
| 5208293 | Rubber composition having low friction | Yoshio Oki, Takeo Kaneko, Yukimasa Shimizu, Hidetsugu Yagi | 1993-05-04 |