Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292711 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2025-05-06 |
| 12174582 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2024-12-24 |
| 12130581 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2024-10-29 |
| 11687029 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2023-06-27 |
| 11320782 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2022-05-03 |
| 11314201 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2022-04-26 |
| 10838356 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuki, Yoshihiro Mitsui | 2020-11-17 |
| 10691063 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2020-06-23 |
| 9964921 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2018-05-08 |
| 9933725 | Developing device, process cartridge, and electrophotographic image forming apparatus | Yu Fukasawa, Hideki Maeshima | 2018-04-03 |
| 9696684 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2017-07-04 |
| 9688008 | Manufacturing method for cartridge having a molded electrode | Hiroshi Takarada, Akira Suzuki, Nobuharu Hoshi, Yuichi Fukui | 2017-06-27 |
| D790004 | Process cartridge for image forming apparatus | Hideki Maeshima, Masato Tanabe, Shuichi Gofuku, Hiroki Shimizu | 2017-06-20 |
| D790005 | Process cartridge for image forming apparatus | Hideki Maeshima, Masato Tanabe, Shuichi Gofuku, Hiroki Shimizu | 2017-06-20 |
| D789446 | Process cartridge for image forming apparatus | Hideki Maeshima, Masato Tanabe, Shuichi Gofuku, Hiroki Shimizu | 2017-06-13 |
| D788213 | Process cartridge for image forming apparatus | Hideki Maeshima, Masato Tanabe, Shuichi Gofuku, Hiroki Shimizu | 2017-05-30 |
| 9618880 | Developing device, process cartridge, and electrophotographic image forming apparatus | Yu Fukasawa, Hideki Maeshima | 2017-04-11 |
| 9599955 | Developer storage unit, development device, process cartridge, and electrophotographic image forming apparatus | Akihiro Fujiwara, Yu Fukasawa | 2017-03-21 |
| 9535370 | Developing device, process cartridge, and electrophotographic image forming apparatus | Yu Fukasawa, Hideki Maeshima | 2017-01-03 |
| 9519264 | Process cartridge and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Yoshihiro Mitsui | 2016-12-13 |
| 9417605 | Image forming apparatus and process cartridge | Hiroshi Takarada | 2016-08-16 |
| 9367025 | Cartridge including cartridge electrode integrally molded with frame | Hiroshi Takarada, Akira Suzuki, Nobuharu Hoshi, Yuichi Fukui | 2016-06-14 |
| 9310713 | Developer container, developing device, process cartridge, and image forming apparatus | Hideki Maeshima, Shuichi Gofuku, Shuhei Kawasaki, Hisashi Taniguchi, Kodai Hayashi +1 more | 2016-04-12 |
| 9239544 | Development apparatus, process cartridge, and image forming apparatus | Hideki Maeshima, Shuichi Gofuku | 2016-01-19 |
| 9116503 | Developing unit, process cartridge and electrophotographic image forming apparatus | Yu Fukasawa, Kazuo Chadani | 2015-08-25 |