Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859554 | Multilayer photoreceptor | Toshinori Yamazaki, Eiichi Sakai, Tatsuo Nakanishi | 1989-08-22 |
| 4835080 | Photoreceptor having photosensitive layer comprising a brominated anthanthrone of specified x-ray spectrum | Yoshiaki Takei, Eiichi Kijima, Satoshi Goto | 1989-05-30 |