Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6841581 | Extruded styrene resin foam and process for producing the same | Takahiro Hayashi, Hiroshi Kobayashi, Jun Fukuzawa, Syunji Kurihara | 2005-01-11 |
| 6528548 | Synthetic thermoplastic resin extruded foams and methods for producing the same | Takahiro Hayashi, Toshiya Ito, Takahiro Tayauchi | 2003-03-04 |
| 4483809 | Process for preparing polyolefin foam | Masao Ando, Kiroku Sato | 1984-11-20 |