Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701472 | Expandable polyvinyl chloride resin composition and foamed sheet prepared from the same | Mamoru Koebisu, Takeshi Nishioka, Nario Kamijyukkoku | 1987-10-20 |
| 4663362 | Expandable polyvinyl chloride resin composition and foamed sheet prepared from the same | Mamoru Koebisu, Takeshi Nishioka, Nario Kamijyukkoku | 1987-05-05 |