KN

Keizou Nakagawa

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #2,214,126 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6392869 Solid electrolytic capacitor Seigo Shiraishi, Emiko Igaki, Masakazu Tanahashi, Mikinari Shimada, Norihisa Takahara +3 more 2002-05-21
4769117 Barrel plating apparatus Kiichi Shiono 1988-09-06