Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12321129 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2025-06-03 |
| 12111608 | Photosensitive member unit and development unit | Kenji Matsuda, Ken Kikuchi | 2024-10-08 |
| 11982972 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2024-05-14 |
| 11899393 | Photosensitive member unit and development unit | Kenji Matsuda, Ken Kikuchi | 2024-02-13 |
| 11789403 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2023-10-17 |
| 11487240 | Photosensitive member unit and development unit | Kenji Matsuda, Ken Kikuchi | 2022-11-01 |
| 11314198 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2022-04-26 |
| 11281156 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2022-03-22 |
| 11156953 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2021-10-26 |
| 11119442 | Photosensitive member unit and development unit | Kenji Matsuda, Ken Kikuchi | 2021-09-14 |
| 10747170 | Photosensitive member unit and development unit | Kenji Matsuda, Ken Kikuchi | 2020-08-18 |
| 10599094 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2020-03-24 |
| 10372079 | Photosensitive member unit and development unit | Kenji Matsuda, Ken Kikuchi | 2019-08-06 |
| 10191446 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2019-01-29 |
| 9823621 | Photosensitive member cartridge and process cartridge | Jun Miyamoto, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki | 2017-11-21 |
| 9766571 | Process cartridge with developing container for an image forming apparatus | Daisuke Baba, Makoto Tokudome, Yuichiro Hirata, Kodai Hayashi, Keisuke Mochizuki +1 more | 2017-09-19 |
| 9256157 | Moving mechanism for a developing device, process cartridge and image forming apparatus that reduces or removes press-contact forces on a developer carrying member | Makoto Tokudome, Daisuke Baba, Yuichiro Hirata, Norihito Naito, Kodai Hayashi | 2016-02-09 |
| 9213257 | Small-sized developing device and process cartridge having stable developer regulation | Daisuke Baba, Makoto Tokudome, Yuichiro Hirata, Kodai Hayashi, Keisuke Mochizuki +1 more | 2015-12-15 |
| 9098060 | Cleaning device, process cartridge, and image forming apparatus | Yousuke Watanabe | 2015-08-04 |
| 9069312 | Image forming apparatus having capacitance detection | Ryosuke Kanai, Kohei Matsuda, Koichiro Takashima | 2015-06-30 |
| 9052678 | Cleaning device, process cartridge and image forming apparatus | Hideto Oka, Kenji Shindo, Nobuyoshi Yoshida, Ryosuke Kanai, Satoru Inami | 2015-06-09 |
| 9002236 | Cleaning device for removing a developer from the surface of an image bearing member and process cartridge | — | 2015-04-07 |
| 8995900 | Cleaning member, cleaning device, process cartridge and image forming apparatus | Kenji Shindo, Masaki Ojima | 2015-03-31 |
| 7286788 | Image forming apparatus | Masahide Kinoshita, Masaki Ojima, Motoki Adachi, Kazuhiro Okubo | 2007-10-23 |
| 7162167 | Image forming apparatus, method of adjusting developing unit of the apparatus, developing unit, and storage medium | Kenichi Iida, Masahide Kinoshita, Motoki Adachi | 2007-01-09 |