KN

Keizoh Nanba

KC Kyodo Oxygen Co.: 1 patents #4 of 10Top 40%
SI Sumitomo Light Metal Industries: 1 patents #103 of 254Top 45%
Overall (All Time): #3,836,225 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5256856 Welding method for aluminum alloys Hideaki Takano, Jitsuo Nakata, Yuji Nakahara, Yoshihiko Sugiyama 1993-10-26