Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880717 | Photosensitive body for electrophotography with protective and intermediate layers | Seizo Kitagawa | 1989-11-14 |
| 4868077 | Layered photosensitive material for electrophotography comprising selenium, arsenic and tellurium | — | 1989-09-19 |
| 4837099 | Multilayer photoconductor for electrophotography | Masahiko Kasahara | 1989-06-06 |