KK

Katsumi Katsuta

IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
Overall (All Time): #3,742,671 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5516440 Lubricating oil composition Masashi Dasai, Akio Imahasi 1996-05-14