ClassID:

220633

H03H9/02921 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of surface acoustic wave devices; Means for compensation or elimination of undesirable effects Measures for preventing electric discharge due to pyroelectricity

Recent Application in this class:
#1
20200395913
2020-12-17

PIEZOELECTRIC SUBSTRATE AND SURFACE ACOUSTIC WAVE DEVICE

#2
20190393856
2019-12-26

Acoustic wave device, high frequency front end circuit, and communication apparatus

#3
20190140614
2019-05-09

Elastic wave device

#4
20190131955
2019-05-02

Elastic wave element and elastic wave filter device

#5
20190007025
2019-01-03

Method of producing lithium niobate single crystal substrate

#6
20180287588
2018-10-04

Filter device

#7
20170373670
2017-12-28

Elastic wave apparatus

#8
20170310299
2017-10-26

Transverse bulk acoustic wave filter

#9
20170099042
2017-04-06

Surface acoustic wave filter with a cap layer for improved reliability

#10
20160359468
2016-12-08

Elastic wave device

#11
20160285430
2016-09-29

Elastic wave device and fabrication method thereof

#12
20160173060
2016-06-16

Acoustic wave device and method of fabricating the same

#13
20140227434
2014-08-14

Piezoelectric device and method for manufacturing piezoelectric device

#14
20120306594
2012-12-06

Acoustic wave device

#15
20120161903
2012-06-28

SAW filter circuit having improved ESD resistance

#16
20120068790
2012-03-22

Elastic wave device

#17
20120049690
2012-03-01

Acoustic wave device

#18
20110095844
2011-04-28

Elastic wave device and ladder filter device

#19
20100194488
2010-08-05

Receiving side filter of duplexer and duplexer

#20
20090295507
2009-12-03

Acoustic wave element having an electrode finger with a protrusion

#21
20090230817
2009-09-17

FERROELECTRIC SINGLE CRYSTAL, SURFACE ACOUSTIC WAVE FILTER COMPRISING THE SAME, AND PRODUCTION METHOD THEREOF

#22
20090201102
2009-08-13

Boundary acoustic wave element, boundary acoustic wave device, and manufacturing methods for the same

#23
20090002099
2009-01-01

Elastic wave device

#24
20080179990
2008-07-31

Surface acoustic wave device with electro-static discharge protection

#25
20080179278
2008-07-31

Surface acoustic wave device and manufacturing method therefor, and communications equipment

#26
20070152538
2007-07-05

Surface acoustic wave device with electro-static discharge protection

#27
20070107177
2007-05-17

Surface acoustic wave device and method of producing the same

#28
20070018533
2007-01-25

Surface acoustic wave device

#29
20060262477
2006-11-23

Electronic circuit device including electric element and varistor on substrate and its manufacture method

#30
20060255682
2006-11-16

Surface acoustic wave device with electro-static discharge protection

#31
20060220764
2006-10-05

Method of manufacturing a surface acoustic wave device

#32
20060170521
2006-08-03

Surface acoustic wave device and method that prevents restoration of a pyroelectric effect

#33
20060158281
2006-07-20

SAW ladder filter

#34
20060043823
2006-03-02

Surface acoustic wave device and manufacturing method therefor, and communications equipment

#35
20060038637
2006-02-23

SAW filter and method of manufacturing the same

#36
20060005923
2006-01-12

Method of manufacturing surface acoustic wave device

#37
20050285699
2005-12-29

Surface acoustic wave device, manufacturing method therefor, and communications equipment

#38
20050270124
2005-12-08

Elastic wave apparatus

#39
20050214469
2005-09-29

Method for increasing bulk conductivity of a ferroelectric material such as lithium tantalate

#40
20050201926
2005-09-15

Method and apparatus for increasing bulk conductivity of a ferroelectric material

#41
20050200234
2005-09-15

Surface acoustic wave element, surface acoustic wave device, duplexer, and method of making surface acoustic wave element

#42
20050168103
2005-08-04

Wafer-level seal for non-silicon-based devices

#43
20050151601
2005-07-14

Surface acoustic wave filter

#44
20050140469
2005-06-30

Surface acoustic wave filter

#45
20050139984
2005-06-30

Package element and packaged chip having severable electrically conductive ties

#46
20050035830
2005-02-17

Method of manufacturing a surface acoustic wave element