KK

Kunio Katsuma

UL Usui Kokusai Sangyo Kaisha Limited: 2 patents #63 of 145Top 45%
Overall (All Time): #1,650,449 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5401382 Method for forming tough, electrical insulating layer on surface of copper material 1995-03-28
5078844 Method for forming tough, electrical insulating layer on surface of copper material 1992-01-07
4917779 Process for the formation of fluoroplastic coating on surface of zinc, zinc alloy or zinc plating 1990-04-17