Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871638 | Electrophotographic photosensitive material with binder combination | Eiichi Kato, Kazuo Ishii | 1989-10-03 |
| 4828952 | Electrophotographic lithographic printing plate precursor | Eiichi Kato, Kazuo Ishii, Hidefumi Sera | 1989-05-09 |