Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5887533 | Chain-stitch sewing machine with knot tying | Takashi Tsukioka, Takayuki Shiina, Yoh Oda | 1999-03-30 |
| 5881663 | Method of tying a knot in chain stitching | Takashi Tsukioka, Takayuki Shiina, Yoh Oda | 1999-03-16 |
| 5799599 | Chain-stitch sewing machine with yarn feed adjusting | Takashi Tsukioka, Takayuki Shiina, Yoh Oda | 1998-09-01 |