KW

Koichi Wakashima

TK Tokai Denka Kogyo Kabushiki Kaisha: 1 patents #14 of 32Top 45%
📍 Nayoro, JP: #2 of 2 inventorsTop 100%
Overall (All Time): #3,880,421 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5030373 Surface-treating agents for copper and copper alloy Toshiya Kimura, Hidebumi Ohnuki, Shigeki Nakajima, Katsutoshi Itani, Akira Hirai 1991-07-09