Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4922005 | Preparation process of hexamethylene | Masanobu Ajioka, Masafumi Kataita, Akihiro Tamaki | 1990-05-01 |
| 4227008 | Process for preparing aromatic urethanes | Katsuharu Miyata, Seiji Hasegawa | 1980-10-07 |
| 4186269 | Process for producing an aromatic urethane | Yutaka Hirai, Katsuharu Miyate | 1980-01-29 |