Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765033 | Expandable vinyl chloride resin composition | Takenobu Sunagawa, Toshiyuki Mori, Akira Takaki | 2004-07-20 |
| 6723762 | Foamable vinyl chloride-base resin compositions | Takenobu Sunagawa, Mitsutaka Sato, Mamoru Kadokura | 2004-04-20 |