Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728333 | Method for making and then removing a molded article of rigid polyurethane foam from a mold | Keiichiro Tabata, Yoichi Nabeshima, Kazufumi Yokoyama, Torao Hashimoto | 1998-03-17 |
| 5667741 | Method of manufacturing a molding for energy absorbent pads and mold used in the method | Keiichiro Tabata, Yoichi Nabeshima, Kazufumi Yokoyama, Torao Hashimoto | 1997-09-16 |