TM

Tsuyoshi Mizusaki

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,189,913 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6786388 Friction stir welding method Masakuni Ezumi, Kazushige Fukuyori 2004-09-07
6722555 Friction stir welding method Masakuni Ezumi, Kazushige Fukuyori 2004-04-20