Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9017239 | Electrophotographic member, process cartridge and electrophotographic apparatus | Kazutoshi Ishida, Tomoya Uesugi | 2015-04-28 |
| 8660472 | Developing roller, process cartridge, and electrophotographic apparatus | Masahiro Kurachi, Kazutoshi Ishida | 2014-02-25 |
| 7947339 | Process for producing electrophotographic roller member | Kenichi Yamauchi, Genya Anan | 2011-05-24 |
| 7747204 | Developing roller, developing assembly, process cartridge and electrophotographic image forming apparatus | Kenichi Yamauchi, Genya Anan | 2010-06-29 |
| 7727134 | Developing roller, process for its production, developing assembly and image forming apparatus | Minoru Nakamura, Masahiro Watanabe, Kazuaki Nagaoka | 2010-06-01 |
| 7627276 | Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus | Genya Anan, Kenichi Yamauchi | 2009-12-01 |
| 6393243 | Developing roller and developing device using the same | Noriyuki Yanai, Kentaro Niwano, Arihiro Yamamoto | 2002-05-21 |
| 5785877 | Dry etching method | Masaaki Sato, Yoshinobu Arita, Masahiro Ogasawara, Hiromitsu Kanbara | 1998-07-28 |
| 5726237 | Rubber compositions and pneumatic tires using the same | Shunji Araki, Franco Cataldo | 1998-03-10 |