Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7979010 | Image forming apparatus and image forming method | Yoshihiro Mikuriya, Hideaki Yasunaga, 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, Hideaki Yasunaga, Yoshitaka Sekiguchi +1 more | 2011-06-28 |
| 7873300 | Single component development device, process cartridge and toner | Masayuki Hagi, Yoshihiro Mikuriya, Hideaki Yasunaga, Hiroaki Katoh, Yoshitaka Sekiguchi +1 more | 2011-01-18 |
| 7867680 | Non-magnetic toner for one-component development and method of preparing the toner, and image developer, image forming apparatus, process cartridge and image forming method | Yoshihiro Mikuriya, Hiroaki Katoh, Yoshitaka Sekiguchi, Hideaki Yasunaga, Masayuki Hagi | 2011-01-11 |
| 7820348 | Toner recovery apparatus, process cartridge, and image forming apparatus | Masayuki Hagi, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Hideaki Yasunaga, Hiroaki Kato +2 more | 2010-10-26 |
| 7817946 | Developing device, image developing method, image forming apparatus, image forming method, and process cartridge | Hiroyuki Murakami, Masahide Inoue, Masayuki Hagi, Takuya Kadota, Yoshihiro Mikuriya +4 more | 2010-10-19 |
| 7727694 | Toner for developing electrostatic image, and image forming method and apparatus and process cartridge using the toner | Hiroyuki Murakami, Masahide Inoue, Masayuki Hagi, Takuya Kadota, Yoshihiro Mikuriya +3 more | 2010-06-01 |
| 7720428 | Toner recovery apparatus, process cartridge, and image forming apparatus | Masayuki Hagi, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Hideaki Yasunaga, Hiroaki Kato +2 more | 2010-05-18 |
| 7587159 | Image forming method and apparatus including a relationship between secondary roller diameter and recording medium ingress position | Masayuki Hagi, Yoshihiro Mikuriya, Hideaki Yasunaga, Hiroaki Kato, Yoshitaka Sekiguchi +1 more | 2009-09-08 |