Tetsuro Okuda

ACOUSTIC WAVE FILTER APPARATUS

ELASTIC WAVE FILTER DEVICE

RADIO-FREQUENCY FRONT-END CIRCUIT AND COMMUNICATION DEVICE

Filter device having a filter connection conductor line including parallel connected conductor lines

Filter device having a first inductance in a chip substrate and a second inductance in a mounting substrate

LADDER FILTER DEVICE AND ELASTIC WAVE RESONATOR

Ladder filter device and resonator elastic wave

Abzweig-Filterbauelement für elastische Wellen Ladder filter device for elastic waves

Abzweig-Filterbauelement und Resonator für elastische Wellen Branch resonator filter component and elastic waves

Ladder-type filter unit and acoustic wave resonator