Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8771909 | Electrophotographic photoconductor, image forming apparatus, and process cartridge | Yuusuke Koizuka, Kazukiyo Nagai, Tetsuro Suzuki | 2014-07-08 |
| 8737879 | Opening and closing mechanism and image forming apparatus including the opening and closing mechanism | Yoichi Ito, Akiyoshi Tanaka, Kuniyori Takano | 2014-05-27 |
| 8679712 | Photoreceptor and image forming method, image forming apparatus, and process cartridge using the photoreceptor | Kazukiyo Nagai, Tetsuro Suzuki, Yuusuke Koizuka | 2014-03-25 |
| 8652713 | Furan derivative and electrophotographic photoconductor | Hongguo Li, Kazukiyo Nagai, Tetsuro Suzuki | 2014-02-18 |
| 8652717 | Image bearing member and image forming method, image forming apparatus, and process cartridge using the same | Keisuke Shimoyama, Hiroshi Ikuno, Tetsuya Toshine, Tomoharu Asano, Yasuhito Kuboshima | 2014-02-18 |
| 8568945 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the photoreceptor | Hiromi Tada, Naohiro Toda, Norio Nagayama, Yoshinori Inaba, Takafumi Iwamoto | 2013-10-29 |
| 8535863 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge using same | Tomoharu Asano, Hiroshi Ikuno, Yasuhito Kuboshima | 2013-09-17 |
| 8380109 | Image forming apparatus and process cartridge | Eiji Kurimoto, Keisuke Shimoyama, Tomoyuki Shimada, Masafumi Ohta | 2013-02-19 |
| 8232031 | Naphthalenetetracarboxylic acid diimide derivative and electrophotographic photoconductor having the same | Masafumi Ohta, Tomoyuki Shimada, Eiji Kurimoto, Keisuke Shimoyama | 2012-07-31 |
| 8206880 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the photoreceptor | Hiromi Tada, Masafumi Ohta, Tatsuya Niimi, Norio Nagayama, Yoshiki Yanagawa | 2012-06-26 |
| 7897309 | Bisazo compound, 2-hydroxy-3-phenylcarbamoyl naphthalene compound and method manufacturing bisazo compound | — | 2011-03-01 |
| 7858278 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor | Hiroshi Ikuno, Masafumi Ohta, Tomoyuki Shimada, Hongguo Li | 2010-12-28 |
| 7371299 | Set of resin sheets and method for producing ceramic structure using the same, and ceramic structure | Hiroyuki Takase, Shinichi Suzuki | 2008-05-13 |
| 7183435 | Triphenylene compound, method for making | Tomoyuki Shimada | 2007-02-27 |
| 5218149 | Body unit for a string musical instrument | Hideyuki Ezaki | 1993-06-08 |