Issued Patents All Time
Showing 25 most recent of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416881 | Image forming apparatus | Shinji Katagiri, Koji An, Hiroko Yokoyama, Wataru Takahashi, Shohei Ishio +2 more | 2025-09-16 |
| 12411435 | Image forming apparatus | Jun Hara, Mikihiko Hamada, Toshihiko Takayama, Shinsuke Kobayashi | 2025-09-09 |
| 12372912 | Image forming apparatus with fiber brush | Toshihiko Takayama | 2025-07-29 |
| 12366819 | Image forming apparatus | Toshihiko Takayama, Shinsuke Kobayashi, Shimpei Ishikawa | 2025-07-22 |
| 12276929 | Image forming apparatus | Shinsuke Kobayashi, Toshihiko Takayama | 2025-04-15 |
| 12259677 | Image forming apparatus | Shingo Ito, Toshihiko Takayama, HIROKO KATAGIRI | 2025-03-25 |
| 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, Toshihiko Takayama, Jun Hara | 2025-01-21 |
| 12197160 | Image forming apparatus | Toshihiko Takayama, Shinsuke Kobayashi, HIROKO KATAGIRI, Mikihiko Hamada | 2025-01-14 |
| 12164238 | Controlling voltage in an image forming apparatus including a brush that comes into contact with an image bearing member | Toshihiko Takayama, Mikihiko Hamada | 2024-12-10 |
| 12158710 | Image forming apparatus that removes residual toner with developer carrying member | — | 2024-12-03 |
| 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, Toshihiko Takayama +1 more | 2024-10-22 |
| 12124182 | Image-forming apparatus to control potential difference based on image-forming operation | Toshihiko Takayama, Shuhei Tokiwa, Shimpei Ishikawa, Shunsuke Matsushita, Mikihiko Hamada | 2024-10-22 |
| 12099315 | Image forming apparatus | Jun Hara, Mikihiko Hamada, Toshihiko Takayama, Shinsuke Kobayashi | 2024-09-24 |
| 12072654 | Image forming apparatus | Jun Hara, Toshihiko Takayama, Shinsuke Kobayashi, Kazuhiro Funatani | 2024-08-27 |
| 12032322 | Image forming apparatus | Toshihiko Takayama, Jun Hara, Mikihiko Hamada, Kazuhiro Funatani, Shinsuke Kobayashi | 2024-07-09 |
| 12025944 | Image forming apparatus | Toshihiko Takayama | 2024-07-02 |
| 11994823 | Image forming apparatus | Shingo Ito, Toshihiko Takayama, HIROKO KATAGIRI | 2024-05-28 |
| 11971670 | Image forming apparatus to control transfer voltage for secondary transfer to recording material | Koji An, Shinji Katagiri | 2024-04-30 |
| 11846899 | Image forming apparatus | Shinji Katagiri, Koji An, Hiroko Yokoyama, Wataru Takahashi, Shohei Ishio +2 more | 2023-12-19 |
| 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, Toshihiko Takayama, Jun Hara | 2023-12-12 |
| 11815827 | Image forming apparatus | Jun Hara, Mikihiko Hamada, Toshihiko Takayama, Shinsuke Kobayashi | 2023-11-14 |
| 11782377 | Image forming apparatus | Toshihiko Takayama | 2023-10-10 |
| 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, Toshihiko Takayama +1 more | 2023-07-18 |
| 11693351 | Image forming apparatus capable of reducing image defects caused by paper dust | Toshihiko Takayama, Shinsuke Kobayashi, Kazuhiro Funatani, Jun Hara | 2023-07-04 |
| 11669034 | Image forming apparatus | Jun Hara, Toshihiko Takayama, Shinsuke Kobayashi, Kazuhiro Funatani | 2023-06-06 |