Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812032 | Highly-refractive plastic lens | Tadanori Fukuda, Masami Saito | 1989-03-14 |
| 4721377 | Highly-refractive plastic lens | Tadanori Fukuda, Masami Saito | 1988-01-26 |
| 4487904 | Urethanized acrylic resin material for plastic lens and lens composed thereof | Tadanori Fukuda | 1984-12-11 |
| 4410597 | Polyurethane resins and polyurethane resin coating compositions | Masaki Nishino, Yutaka Yasuhara, Tadanori Fukuda | 1983-10-18 |
| 4247675 | Polyurethane resins and polyurethane resin coating compositions | Tadanori Fukuda, Masami Saito | 1981-01-27 |