Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11092908 | Image forming apparatus having a first forming mode for a first medium and a second forming mode for a second medium | Yoshiyuki Tominaga, Kotaro Araki, Ayumi Noguchi | 2021-08-17 |
| 11086250 | Image forming apparatus having a first control mode for a first medium and a second control mode for a second medium having a lower transferability than the first medium | Yoshiyuki Tominaga, Kotaro Araki, Ayumi Noguchi | 2021-08-10 |
| 11042110 | Image forming apparatus | Jun KUWABARA, Yoshiyuki Tominaga | 2021-06-22 |
| 11029625 | Image forming apparatus | Kotaro Araki, Yoshinori Takahashi, Yoshiyuki Tominaga, Ayumi Noguchi, Takeshi Yasuda +1 more | 2021-06-08 |
| 10955773 | Image forming apparatus having transfer section switching between a constant voltage control and constant current control | Satoshi Shigezaki, Yoshiyuki Tominaga, Jun KUWABARA | 2021-03-23 |
| 10928772 | Image forming apparatus having a humidification section | Yoshiyuki Tominaga, Jun KUWABARA | 2021-02-23 |
| 10705444 | Image forming apparatus and image structure | Yoshiyuki Tominaga, Jun KUWABARA | 2020-07-07 |
| 10635038 | Image forming apparatus | Satoshi Shigezaki, Yoko Miyamoto, Yoshiyuki Tominaga, Noboru Hirakawa, Jun KUWABARA | 2020-04-28 |
| 10527973 | Image forming apparatus | Satoshi Shigezaki, Toshiaki Baba, Yoshiyuki Tominaga, Jun KUWABARA | 2020-01-07 |
| 10429771 | Transfer device and image forming apparatus | Yoshiki Shimodaira, Toshiaki Baba, Satoshi Shigezaki | 2019-10-01 |
| 10359719 | Image forming apparatus having transfer belt moving unit | Satoshi Shigezaki, Yutaka Kanai, Masayo Higashimura, Toshiaki Baba | 2019-07-23 |
| 10324405 | Transfer device and image forming apparatus | Satoshi Shigezaki, Yoshiki Shimodaira, Toshiaki Baba | 2019-06-18 |
| 9772575 | Image forming apparatus and method, and non-transitory computer readable medium | Satoshi Shigezaki, Yoshiki Shimodaira, Yoshiyuki Tominaga | 2017-09-26 |
| 9429880 | Transfer device and image forming apparatus | — | 2016-08-30 |
| 9335675 | Image forming apparatus and transfer voltage setting method | Yasuhiro Shimada | 2016-05-10 |
| 9274462 | Transfer member and image forming apparatus | Tomoaki Yoshioka, Yasuhiro Shimada | 2016-03-01 |
| 9037021 | Image forming apparatus including a cleaning-bias controller | Masaya Nakatsuhara, Sho Watanabe | 2015-05-19 |
| 8639152 | Cleaning member for image forming device, charging device, process cartridge, and image forming device | — | 2014-01-28 |
| 8515304 | Cleaning member for image forming apparatus, charging device, process cartridge, and image forming apparatus | Takuro Hagiwara | 2013-08-20 |
| 7715737 | Charge roll with axial end portions in contact with cleaning member and image forming apparatus | Yuki Nagamori | 2010-05-11 |
| 6473586 | Developing unit and image forming apparatus using the same | Akihiko Noda, Shota Oba | 2002-10-29 |