Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326686 | Image forming apparatus with exposure head positioning structure | — | 2025-06-10 |
| 12117742 | Image forming apparatus with enhancing structure in cover | Tomohiro Wada | 2024-10-15 |
| 11892793 | Image forming apparatus | — | 2024-02-06 |
| 11868061 | Image forming apparatus to suppress unnecessary exposure of photoconductive body | Sota Yanagihara, Yusuke Ikegami, Shoichiro Nishimura | 2024-01-09 |
| 11634289 | Image-forming apparatus having electromagnetic clutch for transmitting drive force of motor to conveying roller | — | 2023-04-25 |
| 11556089 | Image forming apparatus | Hiroshi Nakano, Masahito Saeki | 2023-01-17 |
| 11500302 | Image forming apparatus to suppress unnecessary exposure of photoconductive body | Sota Yanagihara, Yusuke Ikegami, Shoichiro Nishimura | 2022-11-15 |
| 11429062 | Image forming apparatus with plural moving mechanisms for developing rollers | Masahito Saeki, Shoichiro Nishimura, Tomonori Watanabe | 2022-08-30 |
| 11415927 | Image forming apparatus | Yusuke Ikegami, Shintaro Sakaguchi | 2022-08-16 |
| 11402769 | Image forming apparatus and control method therefor | Yusuke Ikegami, Shintaro Sakaguchi, Yuwen Wang | 2022-08-02 |
| 11281153 | Image forming apparatus and gear train | Yusuke Ikegami, Shoichiro Nishimura | 2022-03-22 |
| 11226578 | Image forming apparatus including gear trains for transmitting driving force of motor to each of a plurality of developing units | Hiroshi Nakano | 2022-01-18 |
| 11209744 | Image forming apparatus having cartridge and exposure device | Masahito Saeki, Toshiyuki Sano, Shintaro Sakaguchi, Shoichiro Nishimura | 2021-12-28 |
| 11194281 | Image-forming apparatus including mechanism for moving developing roller toward and away from photosensitive drum in accordance with rotation of cam gear | — | 2021-12-07 |
| 10969737 | Image forming apparatus and method for ensuring adequate torque of development motor and suppressing reduction in printing speed in low-temperature environment | Masahito Saeki, Shintaro Sakaguchi | 2021-04-06 |
| 10955791 | Image forming apparatus | Hiroshi Nakano, Masahito Saeki | 2021-03-23 |
| 10921748 | Image forming apparatus with roller-drivable mechanism, roller-movable mechanism, and nipping-force adjustable mechanism | Masahito Saeki, Shoichiro Nishimura, Tomonori Watanabe | 2021-02-16 |
| 10859940 | Image forming apparatus with developing cartridges having increased toner capacities and reducible of contact duration between developing rollers and photosensitive drums | Masahito Saeki, Toshiyuki Sano, Shintaro Sakaguchi, Shoichiro Nishimura | 2020-12-08 |
| 9921528 | Image forming apparatus, method to convey a sheet, and computer readable medium for the image forming apparatus | Takuji Matsuno | 2018-03-20 |
| 9414440 | Heating roller, thermal fixing apparatus and method for producing heating roller | Takuji Matsuno | 2016-08-09 |
| 9304457 | Fixing device provided with member for covering terminal of heater | Kenji Takeuchi, Takuji Matsuno, Yoshihiro Miyauchi | 2016-04-05 |
| 8938193 | Fuser unit | Noboru Suzuki, Kei Ishida, Takuji Matsuno, Kaoru Suzuki | 2015-01-20 |