Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4237181 | Method of manufacturing a flexible polyurethane foam product | Nato Tanabe, Norio Maeda | 1980-12-02 |
| 4204011 | Method of driving powdery material into porous material of open-celled structure | Naoto Tanabe, Norio Maeda | 1980-05-20 |