Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6033770 | Polypropylene resin cellular molded article having a skin and production method therefor | Kiyoshi Matsuki | 2000-03-07 |
| 5474841 | Polypropylene resin cellular molded article having a skin and production method therefor | Kiyoshi Matsuki | 1995-12-12 |