KH

Katsuo Hiratsuka

TN The Singer Company N.V.: 1 patents #5 of 10Top 50%
📍 Tochigi, JP: #47 of 161 inventorsTop 30%
Overall (1997): #123,326 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5609115 Buttonhole closing device for lockstitch bar tacking sewing machine Masanori Ayuta, Koichi Nakayama 1997-03-11