Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635687 | Expandable vinyl chloride resin composition | Takenobu Sunagawa, Mitsutaka Sato | 2003-10-21 |
| 6610757 | Foamable vinyl chloride resin composition | Takenobu Sunagawa, Mitsutaka Sato, Noriko Sakashita | 2003-08-26 |