Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8747701 | Electroconductive rubber composition for electrophotographic apparatuses and charging roller for use in electrophotographic apparatuses manufactured using the same | Kadai Takeyama, Takenori Saito, Keiichi Ikegami | 2014-06-10 |
| 8235879 | Charging roll | Kenichi Tsuchiya, Fumio Misumi, Satoshi Suzuki, Kadai Takeyama | 2012-08-07 |
| 6692422 | Roll | Koji Yamaguchi, Yukio Ohyama, Tsutomu Saito | 2004-02-17 |