P

Inventor

HIRAO YASUHIRO

JP19 patents
⚠️ This page may combine multiple inventors who share the name “HIRAO YASUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANYO ELECTRIC CO

13 patents
US5844453ADec 1, 1998

Surface acoustic wave filter utilizing a transducer having interdigital electrodes and continuously adjacent electrodes

SANYO ELECTRIC CO27 citations92
US5760522AJun 2, 1998

Surface acoustic wave device

SANYO ELECTRIC CO19 citations92
US5534829AJul 9, 1996

Antenna duplexer

SANYO ELECTRIC CO28 citations92
US5543757AAug 6, 1996

Surface acoustic wave filter including alternate open and shorted reflector grating

SANYO ELECTRIC CO17 citations81
US6037699AMar 14, 2000

Surface acoustic wave device

SANYO ELECTRIC CO14 citations73
US5808523ASep 15, 1998

High frequency filter including both dielectric and surface acoustic wave resonators

SANYO ELECTRIC CO6 citations73
US5877662AMar 2, 1999

Surface acoustic wave filter including series and parallel interdigital transducers

SANYO ELECTRIC CO11 citations72
US6191668B1Feb 20, 2001

Coaxial resonator and dielectric filter using the same

SANYO ELECTRIC CO4 citations63
US6034577AMar 7, 2000

Integrated interdigital electrode saw filter with specified distances between input/output electrodes

SANYO ELECTRIC CO3 citations62
US5719537AFeb 17, 1998

Surface acoustic wave filter with range of a frequency difference between resonance frequencies of series and parallel resonators

SANYO ELECTRIC CO3 citations62
US5719536AFeb 17, 1998

Surface acoustic wave filter with optimized parallel and series resonator capacitances

SANYO ELECTRIC CO4 citations62
US5663697ASep 2, 1997

Surface accoustic wave filter

SANYO ELECTRIC CO1 citations61
US5675207AOct 7, 1997

Surface acoustic waver convolver

SANYO ELECTRIC CO1 citations52

MAEKAWA SEISAKUSHO KK

6 patents