Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12072648 | Conductive roller, transfer device, process cartridge, and image forming apparatus | Minoru Rokutan, Shogo Hayashi | 2024-08-27 |
| 12050417 | Transfer device and image forming apparatus | Masato Furukawa, Shogo Hayashi, Satoya Sugiura, Makoto Ochiai, Minoru Rokutan | 2024-07-30 |
| 11630404 | Conductive roller, transfer device, process cartridge, and image forming apparatus | Minoru Rokutan, Shogo Hayashi | 2023-04-18 |
| 11513455 | Conductive roller, transfer device, process cartridge, and image forming apparatus | Minoru Rokutan, Shogo Hayashi | 2022-11-29 |
| 11513454 | Conductive roll, transfer device, process cartridge, and image forming apparatus for image transfer | Shogo Hayashi, Minoru Rokutan | 2022-11-29 |
| 11429041 | Conductive roll, transfer device, process cartridge, and image forming apparatus | Shogo Hayashi, Minoru Rokutan | 2022-08-30 |
| 10663897 | Fixing member, method for producing fixing member, fixing device, and image forming apparatus | Ryosuke Fujii, Kenji Omori, Jun Kimura | 2020-05-26 |
| 9785082 | Charging member, process cartridge, and image forming apparatus | Takuya Morishige | 2017-10-10 |
| 9618870 | Charging member, process cartridge, and image forming apparatus | Hiroyuki Miura, Kosuke Narita | 2017-04-11 |
| 9477169 | Elastic member, process cartridge, and image-forming apparatus | Shogo Tomari | 2016-10-25 |
| 9429864 | Charging member, process cartridge, and image forming apparatus | Hiroyuki Miura, Takuya Morishige, Yoshiteru Yamada, Kosuke Narita, Jiro Korenaga | 2016-08-30 |
| 9348250 | Charging roller, process cartridge, and manufacturing method of charging roller | — | 2016-05-24 |
| 9280079 | Charging member, process cartridge, and image forming apparatus | Taketoshi Hoshizaki, Hiroyuki Miura, Kosuke Narita, Jiro Korenaga, Yasuhiro Niida +2 more | 2016-03-08 |
| 9046803 | Charging roll, charging unit, process cartridge, image forming apparatus, and method of manufacturing charging roll | Taketoshi Hoshizaki, Shoichi Masuda, Eiichi Iida, Takahiko Hattori, Noboru Wada | 2015-06-02 |
| 8805244 | Charging member, process cartridge, and image forming apparatus | — | 2014-08-12 |
| 8725043 | Charging member, charging device, process cartridge, and image forming apparatus | — | 2014-05-13 |
| 8437663 | Charging member, process cartridge and image forming apparatus | — | 2013-05-07 |
| 8090287 | Charging member cleaning unit, method of producing charging member cleaning unit, charging device, process cartridge and image forming apparatus | — | 2012-01-03 |
| 8090298 | Electrostatic charging member, electrostatic charging device, process cartridge and image forming apparatus | Noboru Wada, Makoto Takemoto, Nagahito Ichijo, Naoki Ohta, Kenji Inoue +4 more | 2012-01-03 |
| 7801461 | Charging member cleaning roller, charging member cleaning roller for charging device, process cartridge and image forming apparatus | Fumio Ojima, Yoshihiro Maekawa, Taichi Yamada, Nagahito Ichijo, Naoki Ohta +2 more | 2010-09-21 |
| 7553891 | Flame-retardant epoxy resin composition, and electronic device, laminated circuit board, multilayered circuit board and printed circuit board using the flame-retardant epoxy resin composition | Hitoshi Okazaki, Masayuki Okoshi, Michiaki Yasuno | 2009-06-30 |
| 7511087 | Sheath composition and cable using the same | Hitoshi Okazaki, Masayuki Okoshi, Michiaki Yasuno | 2009-03-31 |
| 7354958 | Photopolymerizable composition and flame-retardant resin-formed article | Masayuki Ohkoshi, Hitoshi Okazaki, Michiaki Yasuno | 2008-04-08 |