Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492015 | Composite sheet having foamed polycarbonate resin layer and non-foamed polycarbonate resin layer | Takeshi Aoki, Satoshi Iwasaki, Seiji Takahashi, Yoshiaki Momose | 2002-12-10 |