Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370965 | Positive-working light-sensitive composition containing diazonium salt and novolak resin | Mitsumasa Tsuchiya, Sadao Ishige, Takekatsu Sugiyama, Toshifumi Inno, Yoshimasa Aotani | 1994-12-06 |
| 5364738 | Light-sensitive composition | Akira Umehara, Yoshimasa Aotani, Tsuguo Yamaoka | 1994-11-15 |