Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475584 | Semi-conductive roll whose outermost layer is formed by using fluorine-modified acrylate resin as base resin material | Kenichi Tsuchiya | 2002-11-05 |
| 6454688 | Charging roll whose outermost layer contains grafted carbon | Hirofumi Okuda, Yuichiro Maruyama, Hiroyasu Kato | 2002-09-24 |
| 6090492 | Semi-conductive roll whose outermost layer is formed by using fluorine-modified acrylate resin as base resin material | Kenichi Tsuchiya | 2000-07-18 |
| 5804309 | Charging roll | Tetsuya Itoh, Takafumi Yamamoto, Atsuhiro Kawano, Wataru Imamura, Saburou Hayashi | 1998-09-08 |