Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343913 | Expanded thermoplastic synthetic resin and composition therefor | Yutaka Matsuki | 1982-08-10 |
| 4317888 | Process for manufacturing an olefin resin foam | Tsukasa Yamagishi | 1982-03-02 |