Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416213 | Tetravinylpyrazine compound, method for preparing same and electroluminescent element and non-linear optical material using same | Masaki Hasegawa, Yutaka Ohashi | 1995-05-16 |