Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10001731 | Composition for seamless belt, and image forming apparatus using the belt | Makoto Matsushita, Akira Izutani, Keiichiro Juri, Ayano Momose, Yuri Haga +1 more | 2018-06-19 |
| 9983505 | Developing roller, process cartridge, image forming apparatus and image forming method | Keiichiro Juri | 2018-05-29 |
| 9921526 | Semiconductive resin composition, member for electrophotography and image forming apparatus | Hiroaki Takahashi, Akira Izutani, Makoto Matsushita, Keiichiro Juri, Yuri Haga +1 more | 2018-03-20 |
| 9891558 | Semiconductive resin composition, member for electrophotography and image forming apparatus | Makoto Matsushita, Akira Izutani, Hiroaki Takahashi, Yuri Haga, Keiichiro Juri | 2018-02-13 |
| 9851656 | Developing roller, toner and image forming apparatus | Keiichiro Juri, Makoto Matsushita | 2017-12-26 |
| 9778602 | Image forming apparatus | Keiichiro Juri, Akira Izutani, Makoto Matsushita, Hiroaki Takahashi, Ayano Momose +1 more | 2017-10-03 |
| 9720354 | Intermediate transfer belt | Keiichiro Juri, Akira Izutani, Makoto Matsushita, Ayano Momose | 2017-08-01 |
| 9625858 | Intermediate transfer belt, and image forming apparatus using the belt | Akira Izutani, Makoto Matsushita, Hiroaki Takahashi, Keiichiro Juri, Ayano Momose +1 more | 2017-04-18 |
| 9122204 | Developing device, process cartridge, image forming apparatus, and image forming method | Keiichiro Juri | 2015-09-01 |
| 9098013 | Developing roller, developing device, process cartridge, and image forming apparatus | Keiichiro Juri, Yuta Takeuchi, Tsuyoshi Nozaki, Yoshimichi Ishikawa, Tomoharu Miki | 2015-08-04 |
| 9031478 | Developing roller including a roughened outermost surface, and developing device and image forming apparatus including the same | Keiichiro Juri | 2015-05-12 |
| 9026015 | Developing roller, and developing device, process cartridge and image forming method and apparatus using the developing roller | Keiichiro Juri, Chiyoshi Nozaki | 2015-05-05 |
| 8526864 | Image developer, process cartridge, and image forming apparatus | Shuuichi Nakagawa, Chiyoshi Nozaki, Keiichiro Juri | 2013-09-03 |
| 8329371 | Toner for non-magnetic one-component developer, method of preparing the toner, developer and image forming method | Yoshihiro Mikuriya, Hiroaki Katoh, Kazuoki Fuwa, Masayuki Hagi, Masahide Inoue | 2012-12-11 |
| 8192910 | Image forming method, image forming apparatus and process cartridge | Hiroaki Katoh, Naoki Nakatake, Masayuki Hagi, Yoshitaka Sekiguchi, Kazuoki Fuwa +1 more | 2012-06-05 |
| 8103199 | Developing device, and image forming method and process cartridge using the developing device | Masayuki Hagi, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Hiroaki Katoh, Kazuoki Fuwa +1 more | 2012-01-24 |
| 8053154 | Toner and image forming method | Takuya Kadota, Masayuki Hagi, Yoshihiro Mikuriya, Katsunori Kurose, Hiroaki Kato +4 more | 2011-11-08 |
| 8043779 | Pulverized toner | Hiroaki Kato, Masayuki Hagi, Katsunori Kurose, Yoshihiro Mikuriya, Yoshimichi Ishikawa +2 more | 2011-10-25 |
| 8041270 | Image developer using one-component developer | Masayuki Hagi, Yoshihiro Mikuriya, Hiroaki Katoh, Kazuoki Fuwa, Masahide Inoue +2 more | 2011-10-18 |
| 8021814 | Toner, and oilless fixing method and process cartridge using the toner | Masayuki Hagi, Yoshihiro Mikuriya, Hiroaki Katoh, Kazuoki Fuwa, Yoshitaka Sekiguchi +2 more | 2011-09-20 |
| 8007973 | Full-color toner kit, process cartridge, and image forming method | Kazuoki Fuwa, Yoshihiro Mikuriya, Masayuki Hagi, Hiroaki Katoh, Yoshitaka Sekiguchi | 2011-08-30 |
| 7981593 | Toner, developer including the toner, and image forming method and apparatus using the toner | Hiroaki Katoh, Kazuoki Fuwa, Yoshihiro Mikuriya, Masayuki Hagi, Masahide Inoue | 2011-07-19 |
| 7979010 | Image forming apparatus and image forming method | Kazuoki Fuwa, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Hiroaki Kato | 2011-07-12 |
| 7970323 | Developing device, developer therefor, and image forming method and apparatus, and process cartridge using the developing device | Hiroaki Katoh, Masayuki Hagi, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Kazuoki Fuwa +1 more | 2011-06-28 |
| 7873300 | Single component development device, process cartridge and toner | Kazuoki Fuwa, Masayuki Hagi, Yoshihiro Mikuriya, Hiroaki Katoh, Yoshitaka Sekiguchi +1 more | 2011-01-18 |