Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693683 | Expandable styrene resin beads and process for producing the same | Hiroki Shinozaki, Masayuki Tanaka, Yonezo Ueda | 1997-12-02 |
| 5661191 | Expandable rubber-modified styrene resin beads, expanded beads thereof, and expanded molded articles obtained therefrom | Kenji Haraguchi, Mitsuo Furuichi, Hiromi Yamanaka, Masayuki Tanaka | 1997-08-26 |