Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360492 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yuki YONETOKU, Takeshi Kawai, Masaki Hirakata, Satoshi Mizoguchi | 2025-07-15 |
| 11853004 | Electrophotographic photoconductor, process cartridge, and image forming apparatus | Yukimi KAWABATA, Keisuke Kusano, Natsumi Kaneko | 2023-12-26 |
| 11796929 | Electrophotographic photoconductor, process cartridge, and image forming apparatus | Yukimi KAWABATA, Natsumi Kaneko | 2023-10-24 |
| 10409179 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiko Miyamoto, Takeshi Iwanaga | 2019-09-10 |
| 10317809 | Image forming apparatus and unit for image forming apparatus | Masaki Hirakata, Nobuyuki Torigoe, Yasutaka MATSUMOTO, Takeshi Iwanaga | 2019-06-11 |
| 10001714 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus | Masaki Hirakata, Takeshi Iwanaga, Nobuyuki Torigoe, Yoichi KIGOSHI, Takashi Imai +1 more | 2018-06-19 |
| 9904204 | Unit for image forming apparatus, process cartridge, image forming apparatus, and electrophotographic photoreceptor | Takeshi Iwanaga, Takashi Imai, Masaki Hirakata, Yoichi KIGOSHI, Nobuyuki Torigoe +1 more | 2018-02-27 |
| 9864286 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Fumiaki Mera, Nobuyuki Torigoe, Masaki Hirakata, Yoichi KIGOSHI, Satomi KASHIWAGI +5 more | 2018-01-09 |
| 9740115 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Tatsuki SANO, Masaki Hirakata, Takeshi Iwanaga | 2017-08-22 |
| 9658544 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Takashi Imai, Takeshi Iwanaga, Masaki Hirakata, Tatsuki SANO | 2017-05-23 |
| 9341963 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masaki Hirakata, Takeshi Iwanaga, Nobuyuki Torigoe, Takashi Imai, Tomoya Sasaki +2 more | 2016-05-17 |
| 8993206 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Takeshi Iwanaga, Masaki Hirakata, Tomoya Sasaki, Nobuyuki Torigoe, Takashi Imai | 2015-03-31 |
| 8426099 | Colored resin particles, manufacturing method of the colored resin particles and toner for electrostatically charged image development | Tomohito Nakajima, Hiroyuki Moriya, Seiichi Takagi, Kazuya Hongo | 2013-04-23 |
| 8356798 | Method for manufacturing aggregated resin particles | Seiichi Takagi, Hiroyuki Moriya, Tomohito Nakajima, Takashi Imai, Shingo Ishimaru | 2013-01-22 |
| 8357478 | Electrophotographic photoconductor, process cartridge, and image forming apparatus | Shigeru Yagi, Takashi Imai, Nobuyuki Torigoe, Takeshi Iwanaga | 2013-01-22 |
| 8163807 | Blending apparatus, blending method, phase inversion emulsifying method, and method for producing resin particle dispersion | Hiroyuki Moriya, Tomohito Nakajima, Kazuya Hongo | 2012-04-24 |