NK

Norio Katsumoto

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #4,109,310 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4196335 Submerged arc welding process Masahiko Ikeda, Mutsuo Nakanishi 1980-04-01