Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071887 | Polyurethane elastomer | Shigeru Nakagawa, Kiyofumi Murayama | 1991-12-10 |
| 5066762 | Thermoplastic polyurethane resin from p-phenylene diisocyanate, a poly(hexamethylene carbonate) polyol, and a short chain polyol | Yoshiaki Maeda, Masahiro Kawasaki, Susumu Sato, Mamoru Akimoto | 1991-11-19 |
| 5021534 | Thermosetting urethane elastomer | Masahiro Kawasaki, Yoshiaki Maeda, Susumu Sato | 1991-06-04 |