Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5161475 | Residual bobbin thread amount detecting apparatus for a sewing machine | Keizo Tawara, Osamu Tachikawa | 1992-11-10 |
| 4928612 | Automatic sewing machine exclusively used for sewing zipper on workpiece | Tohru Hiramatsu, Torao Ohchi | 1990-05-29 |
| 4892049 | Automatic sewing machine exclusively used for sewing zipper on workpiece | Tohru Hiramatsu, Torao Ohchi | 1990-01-09 |
| 4854251 | Automatic sewing machine exclusively used for sewing zipper on workpiece | Tohru Hiramatsu, Torao Ohchi | 1989-08-08 |
| 4848255 | Automatic sewing machine exclusively used for sewing zipper on workpiece | Tohru Hiramatsu, Torao Ohchi | 1989-07-18 |
| 4803937 | Method and apparatus for attaching a zipper to a garment | Tooru Hiramatsu, Shigeru Tobita | 1989-02-14 |
| 4693197 | Sewing machine apparatus with improved shaft speed measuring and indicating means | — | 1987-09-15 |
| 4648335 | Apparatus for setting a workpiece correctly on a sewing machine | Tooru Hiramatsu, Kozo Osawa | 1987-03-10 |