Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302165 | Machine for cutting workpieces utilizing electric discharge | Kazuo Itoh, Yasuyo Isaji | 1989-07-11 |
| 4413574 | Stitch pattern sewing machine | Kunio Hirota | 1983-11-08 |
| 4388883 | Stitch pattern sewing machine | Kunio Hirota | 1983-06-21 |
| 4388884 | Stitch pattern sewing machine | Kunio Hirota | 1983-06-21 |