Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854251 | Automatic sewing machine exclusively used for sewing zipper on workpiece | Tohru Hiramatsu, Kazuya Tami | 1989-08-08 |
| 4848255 | Automatic sewing machine exclusively used for sewing zipper on workpiece | Tohru Hiramatsu, Kazuya Tami | 1989-07-18 |
| 4848256 | Workpiece detector for a sewing machine | — | 1989-07-18 |