HH

Hiroya Haga

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,969,974 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4649256 High-frequency electric resistance welding method using irradiation with a laser beam Katsuhiro Minamida, Hideo Takafuji, Nobuo Mizuhashi 1987-03-10