Inventor
ITAGAKI TADASI
3 patents
Patents
3 patentsUS4170742AOct 9, 1979
Piezoelectric transducer with multiple electrode areas
PIONEER ELECTRONIC CORP87 citations93
US4045695AAug 30, 1977
Piezoelectric electro-acoustic transducer
PIONEER ELECTRONIC CORP71 citations93
US4030564AJun 21, 1977
Loud speaker with stable damping
PIONEER ELECTRONIC CORP12 citations69