Inventor
USHIROKU TADAMASA
JP8 patents
Patents
8 patentsUS5770985AJun 23, 1998
Surface acoustic wave filter
MURATA MANUFACTURING CO111 citations97
US5694096ADec 2, 1997
Surface acoustic wave filter
MURATA MANUFACTURING CO127 citations97
US6208224B1Mar 27, 2001
Surface acoustic wave filter with parallel arm resonators having different resonant frequencies
MURATA MANUFACTURING CO27 citations92
US6150904ANov 21, 2000
Surface acoustic wave filter having reference potential package electrode lands which are electrically isolated
MURATA MANUFACTURING CO40 citations92
US6137380AOct 24, 2000
Surface acoustic wave filter utilizing a particularly placed spurious component of a parallel resonator
MURATA MANUFACTURING CO43 citations92
US5999069ADec 7, 1999
Surface acoustic wave ladder filter having a parallel resonator with a larger electrostatic capacitance
MURATA MANUFACTURING CO43 citations91
US5831493ANov 3, 1998
Surface acoustic wave ladder filter utilizing a generated spurious component of the parallel arm
MURATA MANUFACTURING CO39 citations91
US6172580B1Jan 9, 2001
Surface acoustic wave ladder filter with specific gap length between electrode tips and the opposing bus bar
MURATA MANUFACTURING CO10 citations73