Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5281119 | Apparatus for the production of foamed polyolefin sheets | Kouichi Wakabayashi, Yoshihisa Ishihara | 1994-01-25 |
| 5281377 | Process for the production of foamed polyolefin sheets | Kouichi Wakabayashi, Yoshihisa Ishihara | 1994-01-25 |
| 4649001 | Process for producing polyethylene extruded foams | Hisao Nakamura | 1987-03-10 |