KY

Keiji Yamakawa

Illinois Tool Works: 1 patents #2,292 of 4,258Top 55%
📍 Kasai, JP: #2,179 of 5,842 inventorsTop 40%
Overall (All Time): #1,527,538 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8657173 Portable type fastener driving tool Yasutsugu Uejima 2014-02-25
7896212 Portable type fastener driving tool Yasutsugu Uejima 2011-03-01
7516841 Connecting fastener and fastener holder Yasutsugu Uejima 2009-04-14