Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622756 | Expansion-molded article of polyolefin resin having open voids | Hisao Tokoro, Satoru Shioya | 1997-04-22 |
| 5340841 | Production method of foamed particles of polyolefin resin | Hisao Tokoro, Satoru Shioya | 1994-08-23 |