Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12050414 | Developing device including filter detachable holder, process cartridge, and image forming apparatus | Yusuke Chiba, Kazuki Yogosawa, Taku Kumiya, Hotaru HASHIKAWA | 2024-07-30 |
| 11934145 | Developing apparatus, developer for electrophotographic image formation, electrophotographic image forming method, and electrophotographic image forming apparatus | Minoru Masuda, Tohru Suganuma, Masashi Nagayama, Hiroyuki Kishida, Kento Takeuchi +3 more | 2024-03-19 |
| 11880160 | Filter holding device, developing device, process cartridge, image forming apparatus, and filter | Hotaru HASHIKAWA, Tatsuya Kubo, Kazuki Yogosawa, Yuta YABUTA | 2024-01-23 |
| 10969708 | Developing device, process cartridge, and image forming apparatus | Tatsuya Kubo | 2021-04-06 |
| 9304454 | Fixing device and image forming apparatus incorporating same | Jun Yura, Takeshi Uchitani, Masaki Sukesako, Hiroki Ishii, Hironobu Takeshita +1 more | 2016-04-05 |
| 9042778 | Powder refilling device, process cartridge and image including same, and powder refilling method | Kazuya Saitoh, Akio Kosuge, Hirokatsu Suzuki, Ryuji Yoshida, Tetsuto Ueda +2 more | 2015-05-26 |
| 9025977 | Image forming apparatus | Hiroyuki Sugiyama, Jun Yura, Masaki Sukesako, Hironobu Takeshita, Takeshi Uchitani +1 more | 2015-05-05 |
| 8483598 | Electrophotographic image forming method and apparatus with a cover film supplying device | Shigekazu Enoki, Ryuji Yoshida, Yoshinori Nakagawa, Atsushi Kurokawa, Ichiro Kadota +8 more | 2013-07-09 |
| 8422897 | Image forming apparatus | Hirokatsu Suzuki, Kazuhisa Sudo, Masanori Kawasumi, Shunichi Hashimoto, Mugijirou Uno +6 more | 2013-04-16 |
| 8385793 | Image forming apparatus preventing gaps between a conveyor belt and transfer sheet | Masaharu Furuya, Masahiko Satoh, Masanori Kawasumi, Hirokatsu Suzuki, Hirohmi Tamura +6 more | 2013-02-26 |
| 8190067 | Developing device, toner cartridge, process cartridge, and image forming apparatus including a developer guide member | — | 2012-05-29 |
| 7890031 | Developing device and process cartridge used in image forming apparatus | Eisuke Hori, Hideki Kimura | 2011-02-15 |