Inventor
ASHIDA SAKICHI
JP5 patents
Patents
5 patentsUS4490641ADec 25, 1984
Three electrode piezoelectric ceramic resonator
HITACHI LTD14 citations71
US4333842AJun 8, 1982
Piezoelectric single crystal and surface acoustic wave element employing the same
HITACHI LTD14 citations70
US4595853AJun 17, 1986
Apparatus for and method of determining properties of saw substrates
HITACHI LTD8 citations69
US4243541AJan 6, 1981
Piezoelectric ceramics
HITACHI LTD4 citations61
US4458172AJul 3, 1984
Ultrasonic probe
HITACHI LTD1 citations51