Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346805 | Photopolymerizable composition | Akira Umehara | 1994-09-13 |
| 5340683 | Presensitized plate having surface-grained and anodized aluminum substrate with light-sensitive layer containing quinone diazide sulfonic acid ester of particular polyhydroxy compound | Akira Nagashima, Yasumasa Kawabe | 1994-08-23 |
| 5334486 | Photopolymerizable composition and dry PS plate | Yukio Abe, Tatsuji Higashi, Tsumoru Hirano | 1994-08-02 |
| 5320931 | Light-sensitive composition | Akira Umehara, Tsuguo Yamaoka | 1994-06-14 |