Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677356 | Expandable poly (vinyl chloride) resin composition for use in power molding, process for producing the same, and expansion-molded articles using the same | Hikaru Shimizu, Toshio Igarashi, Akira Wakatsuki, Yuu Shida | 1997-10-14 |
| 5663210 | Polyethylenic foaming compositions and molded foams | Hiroyuki Sugimoto, Toshio Igarashi, Masayuki Tatsumi, Kenzou Chikanari, Satoru Funakoshi | 1997-09-02 |