JM

Jitsuo Matsumoto

NC Nippon Tungsten Co.: 1 patents #45 of 139Top 35%
Overall (All Time): #3,864,559 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5167697 Substrate material for mounting semiconductor device thereon and manufacturing method thereof Takeshie Koumura, Yoshihiro Umeda 1992-12-01