Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699859 | Dot-etchable image-containing element useful in lithographic mask formation and its production | Toshiaki Fujimura, Yoshio Katoh, Satoshi Imahashi, Shinichi Tanaka | 1987-10-13 |