Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411435 | Image forming apparatus | Mikihiko Hamada, Shuichi Tetsuno, Toshihiko Takayama, Shinsuke Kobayashi | 2025-09-09 |
| 12204270 | Image forming apparatus with brush that collects material adhered to surface of image bearing member and that includes brush portion including threads having specified thread density | Kazuhiro Funatani, Shinsuke Kobayashi, Shuichi Tetsuno, Toshihiko Takayama | 2025-01-21 |
| 12181819 | Fixing apparatus and image forming apparatus | Satoshi Nishida, Takanori Mitani | 2024-12-31 |
| 12124183 | Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member | Shinsuke Kobayashi, Kensuke Umeda, Ai Suzuki, Kazuhiro Funatani, Shuichi Tetsuno +1 more | 2024-10-22 |
| 12099315 | Image forming apparatus | Mikihiko Hamada, Shuichi Tetsuno, Toshihiko Takayama, Shinsuke Kobayashi | 2024-09-24 |
| 12092969 | Image-forming apparatus having charging potential control during non-image forming operation | Taichi Sato | 2024-09-17 |
| 12072654 | Image forming apparatus | Shuichi Tetsuno, Toshihiko Takayama, Shinsuke Kobayashi, Kazuhiro Funatani | 2024-08-27 |
| 12032322 | Image forming apparatus | Toshihiko Takayama, Shuichi Tetsuno, Mikihiko Hamada, Kazuhiro Funatani, Shinsuke Kobayashi | 2024-07-09 |
| 11841669 | Image forming apparatus with brush portion comprising threads and with control to perform rotation of and stop of image bearing member to change posture of brush portion | Kazuhiro Funatani, Shinsuke Kobayashi, Shuichi Tetsuno, Toshihiko Takayama | 2023-12-12 |
| 11815827 | Image forming apparatus | Mikihiko Hamada, Shuichi Tetsuno, Toshihiko Takayama, Shinsuke Kobayashi | 2023-11-14 |
| 11703775 | Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member | Shinsuke Kobayashi, Kensuke Umeda, Ai Suzuki, Kazuhiro Funatani, Shuichi Tetsuno +1 more | 2023-07-18 |
| 11693351 | Image forming apparatus capable of reducing image defects caused by paper dust | Toshihiko Takayama, Shinsuke Kobayashi, Shuichi Tetsuno, Kazuhiro Funatani | 2023-07-04 |
| 11669034 | Image forming apparatus | Shuichi Tetsuno, Toshihiko Takayama, Shinsuke Kobayashi, Kazuhiro Funatani | 2023-06-06 |
| 11635714 | Fixing apparatus and image forming apparatus | Satoshi Nishida, Takanori Mitani | 2023-04-25 |
| 11526116 | Image forming apparatus with collection | Kazuhiro Funatani, Shinsuke Kobayashi, Shuichi Tetsuno, Toshihiko Takayama | 2022-12-13 |
| 10514645 | Image forming apparatus | Kenichi Iida, Ryuji Hamasaki, Keisuke Yoshida | 2019-12-24 |
| 10503107 | Image forming apparatus controlling transfer power source based on detection result of detection unit connected to transfer portion | Kenichi Iida, Shimpei Ishikawa | 2019-12-10 |
| 10466633 | Image forming apparatus | Yusuke Shimizu, Kenichi Iida | 2019-11-05 |
| 10372060 | Image forming apparatus for scanning light beam at non-uniform scan speed and exposing photosensitive member | Kenichi Iida, Yusuke Shimizu | 2019-08-06 |
| 9891552 | Image forming apparatus performing toner purge processing | Masahiko Suzumi, Tomoo Akizuki | 2018-02-13 |
| 9304458 | Image forming apparatus | Tomoo Akizuki, Masahiko Suzumi | 2016-04-05 |
| 7268525 | Buck-boost converter | Takuya Ishii, Masato Yoshida, Mikio Motomori | 2007-09-11 |
| 7049812 | Magnetic field sensor having memory element | Tadata Hatanaka | 2006-05-23 |
| 6861839 | Magnetic field sensor | Tadata Hatanaka | 2005-03-01 |
| 6777932 | Magnetic field sensor | Tadata Hatanaka | 2004-08-17 |