YA

Yoichi Aikawa

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,810,638 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5362935 Method of butt-welding bar steel and device therefor Hisashi Ariyasu 1994-11-08