Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073466 | Electrophotographic member containing a fluorine-containing lubricating agent and process for producing the same | Fuminori Ishikawa, Kunihiro Tamahashi, Shigeharu Onuma, Masatoshi Wakagi, Masanobu Hanazono +5 more | 1991-12-17 |
| 4791040 | Multilayered electrophotographic photosensitive member | Makoto Fujikura, Toshiyuki Ohno, Shigeharu Onuma, Kunihiro Tamahashi, Mitsuo Chigasaki | 1988-12-13 |