Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596782 | Hydrous polyolefin resin composition, preexpanded particles produced therefrom, process for producing the same, and expanded molding | Tsuyoshi Mihayashi, Kyoichi Nakamura, Naruhiko Akamatsu | 2003-07-22 |
| 6506807 | Process for preparing pre-expanded particles of thermoplastic resin | Yutaka Yanagihara, Naruhiko Akamatsu | 2003-01-14 |