Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4186269 | Process for producing an aromatic urethane | Yutaka Hirai, Makoto Aiga | 1980-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4186269 | Process for producing an aromatic urethane | Yutaka Hirai, Makoto Aiga | 1980-01-29 |