Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6541533 | Extruded polyolefin resin foam | Naochika Kogure, Seiji Takahashi, Masato Naito | 2003-04-01 |
| 6537054 | Apparatus for producing expansion-molded article | Masato Naito, Ryo Kikusawa | 2003-03-25 |