Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4393801 | Sewing machine dust collector | Masahisa Kato, Osamu Gouda | 1983-07-19 |
| 4375712 | Dust collector for industrial sewing machine | Masahisa Kato | 1983-03-08 |
SK
Syouji Kasugai
Overall (All Time): #2,361,571 of 4,157,543Top 60%
2
Patents All Time