HM

Haruyoshi Matsuura

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Overall (All Time): #3,817,171 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5185923 Method of making a frictionally sliding component Masato Taniguchi 1993-02-16