KY

Keisaku Yamaguchi

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,346,739 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4616152 Piezoelectric ultrasonic probe using an epoxy resin and iron carbonyl acoustic matching layer Koetsu Saito, Masami Kawabuchi 1986-10-07
4571520 Ultrasonic probe having a backing member of microballoons in urethane rubber or thermosetting resin Koetsu Saito, Masami Kawabuchi, Keiji Iijima 1986-02-18