YK

Yasushi Koishihara

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,175,783 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6837856 Ultrasonic search unit and method for producing the same Kiyoshi Fujii 2005-01-04
6551247 Ultrasonic probe Koetsu Saito, Junichi Takeda, Hirokazu Fukase 2003-04-22