Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562239 | Urethane polymers containing a tertiary nitrogen atom, and their production | Yoshikazu Arimatsu, Kenichi Katsuo, Minoru Saitoh, Katsya Tani, Hideyuki Mitamura +1 more | 1985-12-31 |