YK

Yoshiyuki Koba

Overall (All Time): #2,069,630 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8414220 Apparatus for flattening floor 2013-04-09
7524138 Floor surface finishing device 2009-04-28