YK

Yasushi Kumakawa

PI Piolax: 3 patents #44 of 198Top 25%
KC Kasai Kogyo Co.: 1 patents #45 of 121Top 40%
Overall (All Time): #1,453,534 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D889253 Band clip Kenichi Makino 2020-07-07
8087703 Component connecting structure — 2012-01-03
7320493 Sun visor Yoshiaki Enma 2008-01-22