Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12181813 | Image forming apparatus | Takashi Mukai, Satoshi Sunahara | 2024-12-31 |
| 11892791 | Image forming apparatus | Kazunari Hagiwara, Shoko Funaki | 2024-02-06 |
| 11493860 | Toner cartridge, developing unit, process cartridge, and image forming apparatus | Seiichi Shinohara, Masanori Tanaka | 2022-11-08 |
| 10578991 | Image forming apparatus having nip portion holding recording material between transfer member and image bearing member | Makoto Fukatsu, Yuta Isobe, Shuhei Tokiwa | 2020-03-03 |
| 10310412 | Developing apparatus, cartridge, and image forming apparatus for suppressing developer leakage of a frame | Makoto Fukatsu, Yuta Isobe | 2019-06-04 |
| 10241445 | Image forming apparatus | Takaaki Shinkawa, Jun Miura, Takahiro Ikeda, Yuji Kawaguchi | 2019-03-26 |
| 10054877 | Developing apparatus having varying magnetic flux density and image forming apparatus | Takayuki Namiki, Yuta Isobe | 2018-08-21 |
| 10025265 | Developer container, developing device, process cartridge, and image forming apparatus | Kazuhisa Shida, Yuta Isobe, Takayuki Kanazawa, Makoto Tokudome | 2018-07-17 |
| 10001726 | Developer container, developing device, process cartridge, and image forming apparatus | Takayuki Kanazawa, Kazuhisa Shida, Yuta Isobe, Nobuo Oshima | 2018-06-19 |
| 9996032 | Developer container, development apparatus, process cartridge, and image forming apparatus | Kazuhisa Shida, Takayuki Kanazawa, Yuta Isobe, Makoto Tokudome | 2018-06-12 |
| 9933726 | Developer container, cartridge and image forming apparatus | Yuta Isobe, Kazuhisa Shida, Takayuki Kanazawa | 2018-04-03 |
| 9897942 | Image forming apparatus controlling contact pressure between image bearing member and transfer device | Takaaki Shinkawa, Jun Miura, Takahiro Ikeda, Yuji Kawaguchi | 2018-02-20 |
| 9703232 | Image forming apparatus that performs a contacting operation for contacting a developing member with an image bearing member | Takaaki Shinkawa, Yuji Kawaguchi, Takahiro Ikeda, Jun Miura | 2017-07-11 |
| 9354587 | Image forming apparatus with cleaning unit | Takahiro Ikeda, Yuta Isobe, Shuichi Tetsuno, Ryosuke Kanai | 2016-05-31 |
| 9341985 | Developing device, process cartridge, and image forming apparatus | — | 2016-05-17 |
| 9239548 | Image forming apparatus | Shuichi Tetsuno, Takahiro Ikeda, Yuta Isobe | 2016-01-19 |
| 9134652 | Developing device and image forming apparatus | Masanori Tanaka, Motoki Adachi, Kentaro Kawata, Takayuki Kanazawa | 2015-09-15 |
| 9091963 | Developing device, cartridge and electrophotographic image forming apparatus | Masaaki Matsushita, Tomonori Matsunaga, Kohei Matsuda, Jun Miura, Takayuki Kanazawa +1 more | 2015-07-28 |
| 8995862 | Image forming apparatus | Shuichi Tetsuno, Takahiro Ikeda, Yuta Isobe | 2015-03-31 |
| 8699894 | Image forming apparatus | Kentarou Kawata, Motoki Adachi, Takayuki Kanazawa, Masanori Tanaka | 2014-04-15 |
| 8532515 | Image forming apparatus | Motoki Adachi, Kentaro Kawata, Takayuki Kanazawa, Masanori Tanaka | 2013-09-10 |