Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306573 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Satoshi Nishiya, Kazuhiko Kanno | 2025-05-20 |
| 12287601 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Satoshi Nishiya | 2025-04-29 |
| 12050432 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Satoshi Nishiya | 2024-07-30 |
| 11960237 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Satoshi Nishiya, Kazuhiko Kanno | 2024-04-16 |
| 11852999 | Image forming device with frame having metal plates with improved resiliency | Yoichiro Iizuka, Kohei Koguchi | 2023-12-26 |
| 11614710 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Satoshi Nishiya | 2023-03-28 |
| 11520284 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Satoshi Nishiya, Kazuhiko Kanno | 2022-12-06 |
| 11493875 | Image forming apparatus with frame having metal plates with improved resiliency | Yoichiro Iizuka, Kohei Koguchi | 2022-11-08 |
| 11385593 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Satoshi Nishiya | 2022-07-12 |
| 11112751 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Satoshi Nishiya | 2021-09-07 |
| 10996623 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Satoshi Nishiya, Kazuhiko Kanno | 2021-05-04 |
| 10901365 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Satoshi Nishiya | 2021-01-26 |
| 10712708 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Satoshi Nishiya, Kazuhiko Kanno | 2020-07-14 |
| 10705480 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Satoshi Nishiya | 2020-07-07 |
| 10666846 | Imaging device | Norihisa Yoshimura | 2020-05-26 |
| 10520886 | Image forming apparatus and cartridge | Masaaki Sato, Toshiharu Kawai | 2019-12-31 |
| 10459048 | Magnetic resonance imaging apparatus and gradient coil | Tetsuya Kobayashi, Yoshitomo Sakakura, Hiromitsu Takamori | 2019-10-29 |
| 10228652 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Satoshi Nishiya, Kazuhiko Kanno | 2019-03-12 |
| 10197649 | Gradient magnetic-field coil and magnetic-resonance imaging apparatus | Yoshitomo Sakakura, Yukiko Nishikawa, Tetsuya Kobayashi | 2019-02-05 |
| 10139777 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Kazuhiko Kanno, Satoshi Nishiya | 2018-11-27 |
| 9996051 | Image forming apparatus and cartridge | Masaaki Sato, Toshiharu Kawai | 2018-06-12 |
| 9939499 | Magnetic resonance imaging apparatus | Ayumi Katsunuma, Hiromitsu Takamori, Kota WATANABE, Hiroto ASAI | 2018-04-10 |
| 9857761 | Image forming apparatus having a supporting member for dismountably supporting one or more cartridges | Yuichiro Osawa | 2018-01-02 |
| 9804560 | Cartridge, process cartridge and electrophotographic image forming apparatus | Masaaki Sato, Satoshi Nishiya, Kazuhiko Kanno | 2017-10-31 |
| 9494915 | Image forming apparatus and cartridge | Masaaki Sato, Toshiharu Kawai | 2016-11-15 |