Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699421 | Method for forming foamed polypropylene resin sheet and foamed formed article | Ken Shimizu, Hiroyuki Maehara | 2004-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699421 | Method for forming foamed polypropylene resin sheet and foamed formed article | Ken Shimizu, Hiroyuki Maehara | 2004-03-02 |