Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9625838 | Electrophotographic apparatus, process cartridge, and image forming method | Kazumichi Sugiyama, Daisuke Tanaka, Takeshi Murakami, Daisuke Kawaguchi, Kazuhiro Yamauchi | 2017-04-18 |
| 9599913 | Electrophotographic member, process cartridge and electrophotographic apparatus | Kazuhiro Yamauchi, Masahiro Watanabe, Masaki Yamada, Hideya Arimura | 2017-03-21 |
| 9581931 | Electrophotographic member, process cartridge, and electrophotographic apparatus | Masaki Yamada, Sosuke Yamaguchi, Kazuhiro Yamauchi | 2017-02-28 |
| 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 |
| 9442408 | Member for electrophotography, method for producing the same, and image forming apparatus | Kazuhiro Yamauchi, Kenichi Yamauchi, Hiroki Masu, Noriko Suzumura | 2016-09-13 |
| 9442451 | Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus | Kazuhiro Yamauchi, Kenichi Yamauchi, Hiroki Masu, Noriko Suzumura | 2016-09-13 |
| 9360789 | Member for electrophotography, process cartridge and image forming apparatus | Hiroki Masu, Kazuhiro Yamauchi, Kenichi Yamauchi, Noriko Suzumura | 2016-06-07 |
| 9146482 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Masahiro Watanabe, Yuichi Kikuchi, Kazuhiro Yamauchi, Norifumi Muranaka, Mikio Shimada +1 more | 2015-09-29 |
| 9128403 | Electrophotographic electrically conductive member | Kazuhiro Yamauchi, Norifumi Muranaka, Yuichi Kikuchi | 2015-09-08 |
| 9086643 | Ionic electro-conductive resin and electro-conductive member for electrophotography | Yuichi Kikuchi, Kazuhiro Yamauchi, Norifumi Muranaka | 2015-07-21 |
| 8852743 | Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatus | Yuichi Kikuchi, Kazuhiro Yamauchi, Norifumi Muranaka, Satoru Yamada, Masahiro Watanabe | 2014-10-07 |
| 8771818 | Electrically conducting member for electrophotography, process cartridge and electrophotographic image forming apparatus | Satoru Yamada, Masahiro Watanabe, Kazuhiro Yamauchi, Norifumi Muranaka, Yuichi Kikuchi | 2014-07-08 |
| 8715830 | Electrically conducting member, process cartridge, and electrophotographic apparatus | Satoru Yamada, Norifumi Muranaka, Kazuhiro Yamauchi | 2014-05-06 |
| 8668987 | Electrophotographic electrically conductive member | Kazuhiro Yamauchi, Norifumi Muranaka, Yuichi Kikuchi | 2014-03-11 |
| 8628854 | Electro-conductive member, process cartridge, and electrophotographic apparatus | Kazuhiro Yamauchi, Masahiro Watanabe, Yuichi Kikuchi, Satoru Yamada, Norifumi Muranaka | 2014-01-14 |
| 7698667 | Pattern correction apparatus, pattern optimization apparatus, and integrated circuit design apparatus | Mitsukiyo Matsui, Tarou Fukunaga, Mie Yamanaka, Hiroki Tomoshige, Maya Ishino +1 more | 2010-04-13 |