Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357887 | Loop catching device for lock stitching sewing machines | Kazumasa Hara | 1982-11-09 |
| 4348969 | Sewing machine with a horizontal-type loop taker | Noboru Kasuga, Kazumasa Hara | 1982-09-14 |
| 4340003 | Lock stitching sewing machine with a thread tightening device | Susumu Hanyu, Kazumasa Hara | 1982-07-20 |