Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12321123 | Charge eliminating apparatus, image forming apparatus, and charge adjusting apparatus | Ryo Aihara, Shin-Ichirou Ono, Yasuharu Chiyoda, Keisuke Mogi, Shingo Iwami +1 more | 2025-06-03 |
| 11960221 | Image forming apparatus | Ryosuke Tsuruga, Tatsuya Kohno, Manato Kobayashi | 2024-04-16 |
| 11947285 | Image forming apparatus with coated belt pressing member | Ryosuke Tsuruga, Manato Kobayashi | 2024-04-02 |
| 11747760 | Image forming apparatus | — | 2023-09-05 |
| 11709443 | Image forming apparatus | Tetsuya Ohta, Yusuke Minato | 2023-07-25 |
| 11644784 | Image forming apparatus | — | 2023-05-09 |
| 11500309 | Image forming apparatus | Ryosuke Tsuruga, Tatsuya Kohno, Manato Kobayashi | 2022-11-15 |
| 11347165 | Image forming apparatus | Ryosuke Tsuruga, Tatsuya Kohno, Manato Kobayashi | 2022-05-31 |
| 11281130 | Image forming apparatus | Tetsuya Ohta, Yusuke Minato | 2022-03-22 |
| 11143989 | Image forming apparatus | Tetsuya Ohta, Toshiyuki Yamada | 2021-10-12 |
| 9904214 | Image forming apparatus having transfer belt configured to avoid image defects | — | 2018-02-27 |
| 9804535 | Image forming apparatus | — | 2017-10-31 |
| 9658577 | Image forming apparatus having transfer belt rollers of specific shapes | Hiroshi Kokubo, Haruhiko Omata, Takashi Fujita, Hideaki Kosasa | 2017-05-23 |
| 9348266 | Image forming apparatus using press member to prevent deflection of belt | — | 2016-05-24 |
| 9229374 | Image forming apparatus | — | 2016-01-05 |
| 8923718 | Image forming apparatus which performs cleaning of a transfer material conveyance member | — | 2014-12-30 |
| 8666284 | Image forming apparatus | — | 2014-03-04 |
| 8660446 | Image forming apparatus | — | 2014-02-25 |
| 8626014 | Image forming apparatus | — | 2014-01-07 |
| 8494432 | Image forming apparatus for transferring a toner image | — | 2013-07-23 |
| 7668492 | Image forming apparatus featuring a rotatable image carrying belt and a belt rotation control unit for minimizing curling of the belt | — | 2010-02-23 |
| 6329298 | Apparatus for treating samples | Ryooji Fukuyama, Makoto Nawata, Hironobu Kawahara, Yoshiaki Sato, Yoshimi Torii +2 more | 2001-12-11 |
| 5770100 | Method of treating samples | Ryooji Fukuyama, Makoto Nawata, Hironobu Kawahara, Yoshiaki Sato, Yoshimi Torii +2 more | 1998-06-23 |
| 5646489 | Plasma generator with mode restricting means | Yoshinao Kawasaki, Keizo Suzuki, Kazuo Nojiri, Hiromichi Enami, Tetsunori Kaji +2 more | 1997-07-08 |
| 5556714 | Method of treating samples | Ryooji Fukuyama, Makoto Nawata, Hironobu Kawahara, Yoshiaki Sato, Yoshimi Torii +2 more | 1996-09-17 |