HA

Hirofumi Amamoto

SK Sanwa Kenma: 2 patents #1 of 8Top 15%
Overall (All Time): #2,162,784 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D555180 Grinding wheel Kozo Kuroda 2007-11-13
D472565 Grindstone — 2003-04-01