Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804506 | Method for manufacturing multihardness foamed articles | Tsuneyuki Okamoto, Yasuyuki Toda, Yasumasa Senoh | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804506 | Method for manufacturing multihardness foamed articles | Tsuneyuki Okamoto, Yasuyuki Toda, Yasumasa Senoh | 1989-02-14 |