Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11307509 | Electro-conductive member, method for producing same, process cartridge and electrophotographic image forming apparatus | Tetsuo Hino, Yasuhiro Fushimoto, Masafumi Kyogaku, Masaki Yamada, Hiroshi Inoue +5 more | 2022-04-19 |
| 10996581 | Conductive member | Satoru Yamada, Kazuhiro Yamauchi, Seiji Tsuru, Yuka Muranaka | 2021-05-04 |
| 10018927 | Electroconductive member for electrophotography, process cartridge and electrophotographic apparatus | Satoru Yamada, Kazuhiro Yamauchi, Tetsuo Hino, Yuichi Kikuchi | 2018-07-10 |
| 10012924 | Electrophotographic electro-conductive member having a dual rubber elastic layer, method of producing the same, process cartridge, and electrophotographic apparatus | Takeshi Yoshidome, Saki Tominaga, Yasuhiro Fushimoto, Kazuhiro Yamauchi | 2018-07-03 |
| 9958802 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Yuichi Kikuchi, Kazuhiro Yamauchi, Tetsuo Hino, Satoru Nishioka | 2018-05-01 |
| 9811021 | Conductive member | Satoru Yamada, Kazuhiro Yamauchi, Seiji Tsuru, Yuka Muranaka | 2017-11-07 |
| 9651888 | Electroconductive member with a surface layer including a porous body having a continuous open pore | Kazuhiro Yamauchi, Yuichi Kikuchi, Koji Otsuka, Masaki Imoto, Tetsuo Hino +1 more | 2017-05-16 |
| 9551949 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Kazuhiro Yamauchi, Satoru Yamada, Yuichi Kikuchi, Tetsuo Hino | 2017-01-24 |
| 9547250 | Electroconductive member for electrophotography, process cartridge and electrophotographic apparatus | Yuichi Kikuchi, Kazuhiro Yamauchi, Satoru Yamada, Tetsuo Hino | 2017-01-17 |
| 9541854 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Yuichi Kikuchi, Kazuhiro Yamauchi, Mikio Shimada, Tetsuo Hino, Masahiro Watanabe +1 more | 2017-01-10 |
| 9146482 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Masahiro Watanabe, Yuichi Kikuchi, Kazuhiro Yamauchi, Satoru Nishioka, Mikio Shimada +1 more | 2015-09-29 |
| 9128403 | Electrophotographic electrically conductive member | Kazuhiro Yamauchi, Satoru Nishioka, Yuichi Kikuchi | 2015-09-08 |
| 9086643 | Ionic electro-conductive resin and electro-conductive member for electrophotography | Yuichi Kikuchi, Kazuhiro Yamauchi, Satoru Nishioka | 2015-07-21 |
| 9023465 | Electroconductive member, process cartridge and electrophotographic image forming apparatus | Satoru Yamada, Seiji Tsuru, Kazuhiro Yamauchi, Yuka Hirakoso | 2015-05-05 |
| 8852743 | Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatus | Yuichi Kikuchi, Kazuhiro Yamauchi, Satoru Nishioka, Satoru Yamada, Masahiro Watanabe | 2014-10-07 |
| 8771818 | Electrically conducting member for electrophotography, process cartridge and electrophotographic image forming apparatus | Satoru Nishioka, Satoru Yamada, Masahiro Watanabe, Kazuhiro Yamauchi, Yuichi Kikuchi | 2014-07-08 |
| 8715830 | Electrically conducting member, process cartridge, and electrophotographic apparatus | Satoru Yamada, Kazuhiro Yamauchi, Satoru Nishioka | 2014-05-06 |
| 8668987 | Electrophotographic electrically conductive member | Kazuhiro Yamauchi, Satoru Nishioka, Yuichi Kikuchi | 2014-03-11 |
| 8628854 | Electro-conductive member, process cartridge, and electrophotographic apparatus | Kazuhiro Yamauchi, Satoru Nishioka, Masahiro Watanabe, Yuichi Kikuchi, Satoru Yamada | 2014-01-14 |
| 8449975 | Electroconductive member, process cartridge and electrophotographic apparatus | Yuka Hirakoso, Satoru Yamada, Seiji Tsuru, Kazuhiro Yamauchi | 2013-05-28 |
| 8298670 | Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatus | Satoru Yamada, Seiji Tsuru, Kazuhiro Yamauchi, Yuka Hirakoso | 2012-10-30 |