Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304761 | Mounting member, cylinder member, and image forming apparatus | Tomoaki Yoshioka, Tomohiro Wada | 2025-05-20 |
| 12227001 | Image forming apparatus | Toshiaki Baba, Tomoaki Yoshioka, Yoko Miyamoto, Tomohiro Wada, Haruka KOBAYASHI +1 more | 2025-02-18 |
| 12116227 | Image forming apparatus | Tomohiro Wada, Tomoaki Yoshioka, Yoko Miyamoto, Toshiaki Baba, Haruka KOBAYASHI +2 more | 2024-10-15 |
| 10955773 | Image forming apparatus having transfer section switching between a constant voltage control and constant current control | Masaaki Yamaura, Yoshiyuki Tominaga, Jun KUWABARA | 2021-03-23 |
| 10635038 | Image forming apparatus | Masaaki Yamaura, Yoko Miyamoto, Yoshiyuki Tominaga, Noboru Hirakawa, Jun KUWABARA | 2020-04-28 |
| 10527973 | Image forming apparatus | Masaaki Yamaura, Toshiaki Baba, Yoshiyuki Tominaga, Jun KUWABARA | 2020-01-07 |
| 10429771 | Transfer device and image forming apparatus | Yoshiki Shimodaira, Masaaki Yamaura, Toshiaki Baba | 2019-10-01 |
| 10359719 | Image forming apparatus having transfer belt moving unit | Masaaki Yamaura, Yutaka Kanai, Masayo Higashimura, Toshiaki Baba | 2019-07-23 |
| 10324405 | Transfer device and image forming apparatus | Masaaki Yamaura, Yoshiki Shimodaira, Toshiaki Baba | 2019-06-18 |
| 9772575 | Image forming apparatus and method, and non-transitory computer readable medium | Masaaki Yamaura, Yoshiki Shimodaira, Yoshiyuki Tominaga | 2017-09-26 |
| 9639034 | Image forming apparatus and removing member | Yasutaka MATSUMOTO | 2017-05-02 |
| 9442406 | Image forming apparatus for determining a difference in lightness between colors in toner image forming units | Sho Watanabe, Yoko Miyamoto | 2016-09-13 |
| 9429879 | Image forming apparatus having imaging units using toner with different particle sizes | Sho Watanabe, Yoko Miyamoto | 2016-08-30 |
| 9213260 | Image forming apparatus for suppressing non-uniformity of an image caused by a difference in toner particle diameter | Sho Watanabe | 2015-12-15 |
| 9091970 | Transfer device, image forming apparatus, and transfer method | Sho Watanabe, Tomoaki Yoshioka | 2015-07-28 |
| 8909103 | Image forming apparatus | Yasutaka MATSUMOTO | 2014-12-09 |
| 8391744 | Charger, image forming unit and image forming apparatus having a regular repeating mesh pattern that is changed in a peripheral region | Arichika Tanaka, Kuniaki Tanaka | 2013-03-05 |
| 8195079 | Collection device and image forming apparatus | Mihoko Tanaka, Tomoya Ichikawa, Tatsuya Soga | 2012-06-05 |
| 8145082 | Image forming apparatus and method of controlling toner supply | Junichi Ichikawa | 2012-03-27 |
| 8095060 | Cleaning device and image forming apparatus | Yutaka Kiuchi, Satoya Sugiura, Ayumi Noguchi, Takayuki Yamashita, Mitsuo Yamamoto +3 more | 2012-01-10 |
| 8081895 | Image forming apparatus with variable speed cleaning members and cleaning method utilizing same | Satoya Sugiura | 2011-12-20 |
| 8036586 | Developer delivering device and image forming apparatus | Tomoya Ichikawa, Tatsuya Soga, Mihoko Tanaka | 2011-10-11 |
| D645895 | Waste toner bottle | Mihoko Tanaka | 2011-09-27 |
| 7756462 | Image forming apparatus and cleaning device | Jin Iwasaki, Makoto Sakanobe, Yoshitaka Kuroda, Kanji Shintaku | 2010-07-13 |
| 7610007 | Cleaning blade, and cleaning apparatus, process cartridge, and image forming apparatus using the same | Noriaki Kojima, Koichi Tanaka, Hiroe Okuyama | 2009-10-27 |