Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372079 | Thread trimming device for a sewing machine | Takanori Nakayama | 1994-12-13 |
| 4970976 | Overlock sewing machine | Masanori Mizunuma, Tatsuo Kikuchi | 1990-11-20 |
| 4942834 | Looper shifting device in overlock sewing machine | — | 1990-07-24 |