Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822542 | Method of production of expansion-molded article, from foamable thermoplastic resin particles and apparatus therefor | Hedeki Kuwabara, Masato Kanbe | 1989-04-18 |
| 4617323 | Prefoamed particles of crosslinked propylene-type resin and molded article prepared therefrom | Hideki Kuwabara, Yoshimi Sudo | 1986-10-14 |