Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681833 | Light-sensitive negative working composition with diazonium condensate, epoxy resin, and combination of polymers with acrylic groups | Kohtaro Nagasawa | 1987-07-21 |
| 4427760 | Photohardenable materials | Kohtaro Nagazawa, Tsutomu Satoh, Fujio Tanaka, Masaki Okuyama | 1984-01-24 |
| 4284707 | Photocurable light-sensitive composition | Kohtaro Nagasawa, Tsutomu Satoh | 1981-08-18 |