Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859555 | Electrophotographic printing plate comprising disazo and perynone compounds, hole transport material and alkali soluble resin | Masanobu Nakamura, Midori Fukawatase, Kenji Takahashi | 1989-08-22 |