KO

Katsuhisa Okawa

NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #3,565,657 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6490497 Working process end point real time determination method Hideo Mitsuhashi, Hiroshi Naka 2002-12-03