TT

Toshihiko Tokai

JC Japan Metals & Chemicals Co.: 1 patents #70 of 152Top 50%
Overall (All Time): #3,683,635 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
5749935 Manganese fertilizer Hisao Takehara, Ryoichi Shimizugawa 1998-05-12