Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871633 | Photosensitive member comprising azo compound having pyridine-n-oxide or pyridazine-n oxide | Masakazu Takata, Takamasa Ueda | 1989-10-03 |
| 4865934 | Fuction divided photosensitive member | Hideaki Ueda, Mitsutoshi Sakamoto | 1989-09-12 |