Assignee

HAMATANI HIDEKI

JP2 patents

Top patents by PatentIndex Score

US9050681B2Jun 9, 2015

Method of production of electric resistance welded steel pipe and high Si or high Cr electric resistance welded steel pipe

HAMATANI HIDEKI5 citations66

US9226378B2Dec 29, 2015

Plasma torch

HAMATANI HIDEKI4 citations64