KI

Keiko Ishizaki

DC Dowa Metals & Mining Co.: 1 patents #16 of 27Top 60%
TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
Overall (All Time): #3,067,258 of 4,157,543Top 75%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9115418 Method of recovering platinum group elements Yuzuru Nakamura, Minoru Kawasaki, Katsunori Yamaguchi, Tetsuya Ueda 2015-08-25