Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631159 | Method of aging expansion-molded body of polyolefin | Hirofumi Maeda, Kazuyoshi Watanabe, Naruhiko Akamatsu, Kenichi Senda | 1986-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631159 | Method of aging expansion-molded body of polyolefin | Hirofumi Maeda, Kazuyoshi Watanabe, Naruhiko Akamatsu, Kenichi Senda | 1986-12-23 |