SA

Shirou Ayusawa

SS Ssmc: 4 patents #5 of 50Top 10%
TN The Singer Company N.V.: 2 patents #12 of 52Top 25%
Overall (All Time): #890,452 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5431119 Thread end holding device for a sewing machine Shuichi Sato, Yoshiharu Kobayashi, Norio Komori 1995-07-11
5255623 Wiper for a sewing machine Shuichi Sato 1993-10-26
5044290 Wiper unit of a sewing machine Shuichi Sato 1991-09-03
5027732 Thread end holding unit Shuichi Sato 1991-07-02
5025738 Needle thread drawing device of a sewing machine Shuichi Sato 1991-06-25
5020462 Slackened needle thread assuring unit Shuichi Sato, Yoshiharu Kobayashi 1991-06-04