Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272204 | Polymer/polyol composition, processes for making the same and polyurethane therefrom | Keiichi Akimoto, Masahiro Matsuoka | 1993-12-21 |
| 4931483 | Polymer/polyol composition, processes for making the same and a polyurethane therefrom | Masahiro Matsuoka, Keiichi Akimoto, Tsuyoshi Tomosada, Isao Ishikawa | 1990-06-05 |