NK

Nobutoshi Kawamura

DC Dai-Ichi Kogyo Seiyaku Co.: 1 patents #153 of 288Top 55%
DC Dowa Mining Co.: 1 patents #157 of 324Top 50%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,905,996 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4937016 Copper conductor composition Masatoshi Suehiro, Masashi Echigo, Masami Sakuraba 1990-06-26