Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822721 | A method of image-wise exposing and developing halogen-containing polyacrylate derivatives | Yoshitaka Tsutsumi, Hideo Shuyama, Kousaburou Matsumura, Kyoko Nakazawa | 1989-04-18 |