Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12282286 | Image forming apparatus including fixing device having shutter and lock member for holding shutter position | Masakazu Uehara, Tomohiro Watatani | 2025-04-22 |
| 12158717 | Fixing device and image forming apparatus | Masakazu Uehara, Tomohiro Watatani | 2024-12-03 |
| 12044990 | Fixing device and image forming apparatus capable of suppressing deformation of fixing belt and excessive adhesion of lubricant | Tomohiro Watatani, Masakazu Uehara, Hironori Takahashi, Shota Onishi, Yuhiro Sakai | 2024-07-23 |
| 11693337 | Developing device including development container, developer carrier, and restricting blade, and image forming apparatus including the same | Seia FUJII, Masakazu Uehara, Rei Yamagishi, Hiroaki Kitagawa | 2023-07-04 |
| 11567425 | Developing device, and image forming apparatus including the same | Masakazu Uehara, Rei Yamagishi, Hiroaki Kitagawa | 2023-01-31 |
| 11556078 | Developing device and image forming apparatus including same | Hiroaki Kitagawa, Rei Yamagishi | 2023-01-17 |
| 11487220 | Developing device and image forming apparatus including ihe same | Masakazu Uehara, Rei Yamagishi, Hiroaki Kitagawa, Seia FUJII | 2022-11-01 |
| 11435678 | Developing device and image forming apparatus including the same | Masakazu Uehara, Rei Yamagishi, Hiroaki Kitagawa, Seia FUJII | 2022-09-06 |
| 11252295 | Sheet feeding device, image reading apparatus and image forming apparatus | — | 2022-02-15 |