Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975313 | Heat-shrinkable polyolefin composite sheet | Hiroshi Ezawa, Takayuki Watanabe, Hiroaki TSUSHIMA | 1990-12-04 |
| 4966805 | Heat-shrinkable polystyrene-base foamed composite sheet | Hiroshi Ezawa, Takayuki Watanabe, Hiroaki TSUSHIMA | 1990-10-30 |