Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10845738 | Image forming method, image forming apparatus, and process cartridge | Hidetoshi Kami, Akihiro Sugino, Ryohta Takahashi | 2020-11-24 |
| 10416594 | Image forming method, image forming apparatus, and process cartridge | Hidetoshi Kami, Akihiro Sugino, Ryohta Takahashi | 2019-09-17 |
| 10114302 | Photoconductor, image forming apparatus, and process cartridge | Ryohta Takahashi, Akihiro Sugino, Eiji Kurimoto, Hidetoshi Kami, Tetsuro Suzuki +2 more | 2018-10-30 |
| 9989868 | Photoconductor, image forming method using the same, method of manufacturing the photoconductor, and image forming apparatus | Hidetoshi Kami, Nobutaka Eguchi, Akihiro Sugino | 2018-06-05 |
| 9740116 | Photoconductor, and image forming method and image forming apparatus using the photoconductor | Nobutaka Eguchi, Akihiro Sugino, Hidetoshi Kami, Kazuhiro Egawa | 2017-08-22 |
| 9523930 | Photoconductor, and image forming method and image forming apparatus using the same | Hidetoshi Kami, Nobutaka Eguchi, Akihiro Sugino, Kazuhiro Egawa | 2016-12-20 |
| 9146483 | Photoreceptor, method for preparing photoreceptor, and image forming apparatus and process cartridge using the photoreceptor | Mitsuaki Hirose, Akihiro Sugino, Noboru Toriu, Tomoharu Asano | 2015-09-29 |
| 9031491 | Image forming apparatus and process cartridge | Tomoharu Asano, Hideo Nakamori, Akihiro Sugino, Noboru Toriu, Mitsuaki Hirose +2 more | 2015-05-12 |
| 8652717 | Image bearing member and image forming method, image forming apparatus, and process cartridge using the same | Hiroshi Ikuno, Tetsuya Toshine, Tomoharu Asano, Yasuhito Kuboshima, Yuuji Tanaka | 2014-02-18 |
| 8588630 | Image forming apparatus | Eiji Kurimoto, Hiroshi Ikuno | 2013-11-19 |
| 8383305 | Image forming apparatus | Akihiro Sugino, Tomoharu Asano | 2013-02-26 |
| 8380109 | Image forming apparatus and process cartridge | Eiji Kurimoto, Tomoyuki Shimada, Masafumi Ohta, Yuuji Tanaka | 2013-02-19 |
| 8349529 | Electrophotographic photoconductor, and electrophotographic method, electrophotographic apparatus and process cartridge containing the electrophotographic photoconductor | Takaaki Ikegami, Eiji Kurimoto, Kohsuke Yamamoto, Tetsuya Sakuma, Toshihiko Koizumi +2 more | 2013-01-08 |
| 8278016 | Electrophotographic photoconductor | Eiji Kurimoto, Takaaki Ikegami, Kohsuke Yamamoto, Tadayoshi Uchida, Takumi Shinohara +1 more | 2012-10-02 |
| 8263297 | Electrophotographic photoconductor and electrophotographic apparatus | Takaaki Ikegami, Takeshi Takada, Toshihiko Koizumi, Hideki Nakamura, Hajime Suzuki +2 more | 2012-09-11 |
| 8252499 | Image forming method and image forming apparatus | Eiji Kurimoto | 2012-08-28 |
| 8232031 | Naphthalenetetracarboxylic acid diimide derivative and electrophotographic photoconductor having the same | Masafumi Ohta, Tomoyuki Shimada, Yuuji Tanaka, Eiji Kurimoto | 2012-07-31 |
| 8227156 | Electrophotographic photoconductor, image forming apparatus, image forming method, and process cartridge | Eiji Kurimoto, Tatsuya Niimi, Shinichi Kawamura, Yoshiki Yanagawa | 2012-07-24 |
| 8192905 | Electrophotographic photoconductor, image forming apparatus, and process cartridge | Eiji Kurimoto, Shinichi Kawamura | 2012-06-05 |
| 8114559 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the same | Eiji Kurimoto | 2012-02-14 |
| 8064795 | Electrophotographic image forming apparatus and process cartridge | Eiji Kurimoto, Michitaka Sasaki, Shin-ichi Kawamura | 2011-11-22 |
| 8059990 | Image forming apparatus | Eiji Kurimoto, Shinich Kawamura | 2011-11-15 |
| 8007972 | Electrophotographic photoconductor, and image forming apparatus, process cartridge and image forming method using the same | Eiji Kurimoto, Michio Kimura, Shinichi Kawamura, Takeshi Takada, Yasuyuki Yamashita +2 more | 2011-08-30 |
| 7919220 | Electrophotographic photoreceptor, image forming apparatus and process cartridge | Eiji Kurimoto, Shinichi Kawamura | 2011-04-05 |
| 7871747 | Electrophotographic photoconductor having charge blocking and moire preventing layers | Eiji Kurimoto, Takeshi Orito, Tatsuya Niimi, Shinichi Kawamura, Yoshiki Yanagawa +1 more | 2011-01-18 |