YH

Youichi Hanakawa

KC Kokuyo Co.: 2 patents #48 of 136Top 40%
Overall (All Time): #2,046,426 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8677631 Scissors — 2014-03-25
8555512 Handle of tool — 2013-10-15