Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877714 | Photosensitive aqueous emulsion resin composition of polystyrene or styrene copolymer particles containing photosensitive material | Tahahiro Tsunoda, Tsuguo Yamaoka | 1989-10-31 |