Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952550 | Toner supply roll | Eiji Yasui, Kazunori Toyama | 2005-10-04 |
| 6146320 | Conductive roll | Hitoshi Yoshikawa, Shoji Arimura, Kunio Ito, Sumio Oinuma, Akihiko Kaji +2 more | 2000-11-14 |
| 6142922 | Conductive roller | Hitoshi Yoshikawa, Shoji Arimura, Akihiko Kaji | 2000-11-07 |
| 5993366 | Low hardness conductive roll | Akihiko Kaji, Hitoshi Yoshikawa, Shoji Arimura | 1999-11-30 |