Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018927 | Electroconductive member for electrophotography, process cartridge and electrophotographic apparatus | Satoru Yamada, Kazuhiro Yamauchi, Norifumi Muranaka, Tetsuo Hino | 2018-07-10 |
| 9958802 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Kazuhiro Yamauchi, Norifumi Muranaka, Tetsuo Hino, Satoru Nishioka | 2018-05-01 |
| 9651888 | Electroconductive member with a surface layer including a porous body having a continuous open pore | Norifumi Muranaka, Kazuhiro Yamauchi, 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, Norifumi Muranaka, Tetsuo Hino | 2017-01-24 |
| 9547250 | Electroconductive member for electrophotography, process cartridge and electrophotographic apparatus | Kazuhiro Yamauchi, Norifumi Muranaka, Satoru Yamada, Tetsuo Hino | 2017-01-17 |
| 9541854 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Kazuhiro Yamauchi, Mikio Shimada, Tetsuo Hino, Masahiro Watanabe, Norifumi Muranaka +1 more | 2017-01-10 |
| 9146482 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Masahiro Watanabe, Kazuhiro Yamauchi, Satoru Nishioka, Norifumi Muranaka, Mikio Shimada +1 more | 2015-09-29 |
| 9128403 | Electrophotographic electrically conductive member | Kazuhiro Yamauchi, Norifumi Muranaka, Satoru Nishioka | 2015-09-08 |
| 9086643 | Ionic electro-conductive resin and electro-conductive member for electrophotography | Kazuhiro Yamauchi, Norifumi Muranaka, Satoru Nishioka | 2015-07-21 |
| 8852743 | Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatus | Kazuhiro Yamauchi, Satoru Nishioka, Norifumi Muranaka, 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, Norifumi Muranaka | 2014-07-08 |
| 8668987 | Electrophotographic electrically conductive member | Kazuhiro Yamauchi, Norifumi Muranaka, Satoru Nishioka | 2014-03-11 |
| 8628854 | Electro-conductive member, process cartridge, and electrophotographic apparatus | Kazuhiro Yamauchi, Satoru Nishioka, Masahiro Watanabe, Satoru Yamada, Norifumi Muranaka | 2014-01-14 |
| 7769554 | Instrument check system | — | 2010-08-03 |
| 5022789 | Method and machine for constructing shafts | Akira Miyazaki, Yoshiyuki Ohara, Tomosburo Fujinaga, Takashi Kawata, Fumitoshi Mizutani +2 more | 1991-06-11 |