Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774161 | Light-sensitive composition with polyvinyl acetal resin and diazo resin salt of long chain aliphatic benzene sulfonate | Toshiyuki Sekiya, Kazuo Maemoto, Akihiko Kamiya | 1988-09-27 |