Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559389 | Graft copolymers, process for the preparation thereof and ionizing radiation sensitive resist using such copolymers | Koichi Hatada, Yoshio Okamoto | 1985-12-17 |
| 4523000 | Copolymers, process for the preparation thereof and ionizing radiation sensitive resist using such copolymers | Koichi Hatada, Yoshio Okamoto | 1985-06-11 |