TO

Toshikazu Oya

CH Cci Holdings: 1 patents #11 of 37Top 30%
Overall (All Time): #3,711,575 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
5609740 Corrosion preventiveness evaluation system for coolant Masatsune Hasegawa, Takashi Hashimoto, Hironori Ezaki 1997-03-11