Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800146 | Transparent electrophotographic photoreceptor comprising specific hydrazone and benzidine compounds as photoconductors | Hiroaki Yokoya, Hiromichi Tachikawa, Hideo Sato | 1989-01-24 |