220606 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of surface acoustic wave devices; Details concerning reflective or coupling arrays; Grating lines having particular arrangements Shifted grating lines
Elastic wave resonators and filters
#2INTERDIGITATED TRANSDUCERS AND REFLECTORS FOR SURFACE ACOUSTIC WAVE DEVICES WITH NON-UNIFORMLY SPACED ELEMENTS
#3Electroacoustic filter comprising low-pass characteristics
#4Elastic wave resonators, and elastic wave filters, antenna duplexers, modules and communication devices using same
#5Surface acoustic wave element, method of producing the same, and method of changing resonation frequency of the same
#6Surface-acoustic-wave device
#7Surface-acoustic-wave device
#8Surface acoustic wave filter and surface acoustic wave resonator having bent electrode fingers