YK

Yoshiteru Kazama

KC Kao Soap Co.: 1 patents #82 of 203Top 45%
Overall (All Time): #4,074,653 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4345944 Cement additive Isao Kokubo, Akitoshi Tsuji, Yukio Tanino 1982-08-24