Patents-Review.com
ClassID:

220806 ⎘

H03H9/643 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters using surface acoustic waves; Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics

Recent Application in this class:
#1
20260088801
2026-03-26

Double-Mode Surface-Acoustic-Wave (DMS) Filter with Apodization

 #2
20250293669
2025-09-18

SIZE REDUCED ACOUSTIC WAVE FILTER DEVICE WITH PHASE CANCELLING CIRCUIT ELECTRICALLY CONNECTED WITH SHARED REFLECTOR

 #3
20250226813
2025-07-10

SURFACE ACOUSTIC WAVE RESONATOR AND SURFACE ACOUSTIC WAVE FILTER

 #4
20250055442
2025-02-13

SURFACE ELASTIC WAVE FILTER WITH RESONANT CAVITIES

 #5
20240186986
2024-06-06

Surface elastic wave filter with resonant cavities

 #6
20230402995
2023-12-14

Surface-Acoustic-Wave (SAW) Filter for Suppressing Intermodulation Distortion

 #7
20230396236
2023-12-07

Surface elastic wave filter with resonant cavities

 #8
20230208396
2023-06-29

ACOUSTIC WAVE DEVICE WITH INTERDIGITAL TRANSDUCER ELECTRODE HAVING NON-ZERO TILT ANGLE

 #9
20230208385
2023-06-29

ACOUSTIC WAVE DEVICE WITH TILTED INTERDIGITAL TRANSDUCER ELECTRODE

 #10
20230109106
2023-04-06

MULTILAYER PIEZOELECTRIC SUBSTRATE SURFACE ACOUSTIC WAVE DEVICE WITH SPURIOUS SHIFTING

 #11
20230104405
2023-04-06

ACOUSTIC WAVE DEVICE WITH MULTILAYER PIEZOELECTRIC SUBSTRATE FOR REDUCED SPURIOUS SIGNALS

 #12
20230026184
2023-01-26

Acoustic wave component with stepped and slanted acoustic reflector

 #13
20220173722
2022-06-02

Surface acoustic wave resonator, filter, and communication device

 #14
20200162056
2020-05-21

Multi-mode surface acoustic wave filter with stepped acoustic reflectors

 #15
20200162055
2020-05-21

Multi-mode surface acoustic wave filter

 #16
20200162054
2020-05-21

Multi-mode surface acoustic wave filter with slanted acoustic reflectors

 #17
20200127638
2020-04-23

Acoustic wave device and composite filter device

 #18
20190305746
2019-10-03

Surface acoustic wave device and surface acoustic wave filter

 #19
20190089324
2019-03-21

Acoustic filter

 #20
20180062610
2018-03-01

Electro-acoustic transducer and electro-acoustic component comprising an electro-acoustic transducer

 #21
20160065175
2016-03-03

Surface acoustic wave filter, surface acoustic wave filter device, and duplexer including a shared reflector

 #22
20150288347
2015-10-08

Electroacoustic filter comprising low-pass characteristics

 #23
20150244348
2015-08-27

Saw filter with improved stop band suppression

 #24
20140070906
2014-03-13

Elastic wave device

 #25
20120032753
2012-02-09

Antenna sharer with a ladder filter

 #26
20110199163
2011-08-18

Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module unit

 #27
20110199160
2011-08-18

Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module unit

 #28
20100289380
2010-11-18

Surface wave resonator having reduced parasitic resonance

 #29
20100237963
2010-09-23

Surface acoustic wave device and duplexer

 #30
20100102901
2010-04-29

Elastic wave filter including a grating reflector between tapered input and output IDT electrodes

 #31
20070029679
2007-02-08

Electrical component having a reduced substrate area

 #32
20060255884
2006-11-16

Lamb wave type high frequency device

 #33
20060214748
2006-09-28

Surface acoustic wave resonator, surface acoustic wave filter and surface acoustic wave duplexer, and communications equipment

 #34
20050200233
2005-09-15

Surface acoustic wave device

 #35
20050190014
2005-09-01

Surface acoustic wave device

 #36
20050156687
2005-07-21

Surface acoustic wave device

 #37
20050001699
2005-01-06

Saw filter and communication device utilizing a weighted reflector

 #38
16102123
2020-03-24

Frequency tunable RF filters via a wide-band SAW-multiferroic hybrid device