Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808636 | Process for producing polyurethane elastomer and composition as starting material therefor | Joichi Saito, Hiroshi Wada, Takashi Watabe, Kiyoshi Tanabe, Nobuaki Kunii | 1989-02-28 |