Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5722335 | Thread cutting device of a sewing machine | Shinji Kojima | 1998-03-03 |
| 5499590 | Thread guide holder device for sewing machine | Shinji Kojima | 1996-03-19 |
| 5381744 | Stitch balancing thread tension device for sewing machine | Shinji Kojima | 1995-01-17 |