Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8385780 | Charging member, charging device including the charging member, process cartridge including the charging device and image forming apparatus including the process cartridge | Makoto Nakamura, Tadayuki Oshima, Hiroki Furubayashi, Taisuke Tokuwakt | 2013-02-26 |
| 8150295 | Charging member, charging device including the charging member, process cartridge including the charging device and image forming apparatus including the process cartridge | Makoto Nakamura, Tadayuki Oshima, Taisuke Tokuwaki, Hiroki Furubayashi | 2012-04-03 |
| 8133161 | Conductive member, process cartridge, and image forming apparatus | Tadayuki Oshima, Hiroki Furubayashi, Taisuke Tokuwaki, Toshio Kojima, Tadaaki Hattori +1 more | 2012-03-13 |
| 8105672 | Electroconductive member, process cartridge, and image forming apparatus | Makoto Nakamura, Toshio Kojima, Tadaaki Hattori, Taisuke Tokuwaki, Tadayuki Oshima +1 more | 2012-01-31 |
| 8038590 | Conductive member, process cartridge having the same, and image forming apparatus having the process cartridge | Makoto Nakamura, Akiko Tanaka, Taisuke Tokuwaki, Tadayuki Oshima, Hiroki Furubayashi | 2011-10-18 |
| 8041259 | Conductive member, process cartridge including same, and image forming apparatus including the process cartridge | Makoto Nakamura, Taisuke Tokuwaki, Tadaaki Hattori, Tadayuki Oshima, Hiroki Furubayashi | 2011-10-18 |
| 8032050 | Charge assembly and image formation apparatus including the same | Makoto Nakamura, Tadayuki Oshima, Taisuke Tokuwaki, Hiroki Furubayashi | 2011-10-04 |
| 7941077 | Conductive member, process cartridge using conductive member, and image forming apparatus using process cartridge | Tadayuki Oshima, Hiroki Furubayashi, Taisuke Tokuwaki, Makoto Nakamura | 2011-05-10 |
| 7734221 | Conductive member, process cartridge using conductive member and image formation apparatus using process cartridge | Tadayuki Oshima, Hiroki Furubayashi, Taisuke Tokuwaki, Tadaaki Hattori, Toshio Kojima +1 more | 2010-06-08 |
| 7693455 | Conductive member, process cartridge having conductive member, and image forming apparatus having process cartridge | Taisuke Tokuwaki, Toshio Kojima, Tadaaki Hattori, Makoto Nakamura, Tadayuki Oshima +1 more | 2010-04-06 |
| 7693456 | Conductive member and process cartridge having it and image forming apparatus having the process cartridge | Makoto Nakamura, Akiko Tanaka, Taisuke Tokuwaki, Tadayuki Oshima, Hiroki Furubayashi | 2010-04-06 |
| 7603062 | Conductive member, and charging roller, process cartridge and image forming apparatus using same | Eiji Shimojo, Masanori Kawasumi, Yoshiyuki Kimura, Masahiko Satoh, Takeshi Uchitani +4 more | 2009-10-13 |
| 7515852 | Conductive member, charging member using the conductive member, process cartridge using the charging member and image forming apparatus using process cartridge | Makoto Nakamura, Tadayuki Oshima, Tadaaki Hattori, Toshio Kojima, Taisuke Tokuwaki +1 more | 2009-04-07 |
| 7493064 | Electric conductive member, process cartridge and image forming apparatus | Makoto Nakamura, Toshio Kojima, Tadaaki Hattori, Taisuke Tokuwaki, Tadayuki Oshima +1 more | 2009-02-17 |
| 7151904 | Conductive member and process cartridge and image forming apparatus using the same | Makoto Nakamura, Taisuke Tokuwaki, Akiko Tanaka, Tadayuki Ohshima | 2006-12-19 |
| 7113727 | Charging device using a charge roller and image forming apparatus including the same | Akio Kosuge, Toshio Koike | 2006-09-26 |
| 6990305 | Charging device using a charge roller and image forming apparatus including the same | Akio Kosuge, Toshio Koike | 2006-01-24 |