Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182314 | Flexible polyurethane foams and process for producing same | Kensuke TANI | 1993-01-26 |
| 4301757 | Automatic thread tension control device of sewing machine | — | 1981-11-24 |