Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855374 | Optical resin from diallyl esters | Yasumi Koinuma, Naoyuki Amaya, Takayuki Otsu, Masafumi Nisimura | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855374 | Optical resin from diallyl esters | Yasumi Koinuma, Naoyuki Amaya, Takayuki Otsu, Masafumi Nisimura | 1989-08-08 |