Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194511 | Organic nonlinear optical materials derived from vinylidene cyanide-vinyl-p-acetoxy-benzoate copolymers | Iwao Seo, Atsushi Oda, Kenji Nakajima | 1993-03-16 |
| 5149580 | Vinylidene cyanide-vinyl benzoate derivative nonlinear optical polymers | Iwao Seo, Atsushi Oda, Yukiko Ohashi, Dechun Zou | 1992-09-22 |
| 5061768 | Vinylidene cyanide copolymer | Iwao Seo, Yukiko Fujimoto | 1991-10-29 |
| 4990584 | Piezoelectric or pyroelectric material | Kenji Nakajima, Iwao Seo | 1991-02-05 |
| 4985179 | Optical material | Iwao Seo, Kenji Nakajima | 1991-01-15 |