Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761121 | Thread guide device for sewing machine | — | 2004-07-13 |
| 6729252 | Thread device for sewing machine | Fumio Wada | 2004-05-04 |
| 6655306 | Thread guide device for sewing machine | — | 2003-12-02 |
| 6640734 | Lower thread winding device | Minoru Hayashi, Kiyoshi Matsuzawa, Fumio Wada, Naofumi Fukuba | 2003-11-04 |