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Masahiro Yoshimatsu
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Saitama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical filter
Patent number
8,437,097
Issue date
May 7, 2013
Nihon Dempa Kogyo Co., Ltd.
Takuji Yamamoto
G02 - OPTICS
Information
Patent Grant
Methods for manufacturing piezoelectric devices
Patent number
8,341,814
Issue date
Jan 1, 2013
Nihon Dempa Kogyo Co., Ltd.
Masahiro Yoshimatsu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Piezoelectric vibrating piece with extended supporting arms
Patent number
7,982,374
Issue date
Jul 19, 2011
Nihon Kempa Kogyo Co., Ltd.
Masahiro Yoshimatsu
G01 - MEASURING TESTING
Information
Patent Grant
Piezoelectric vibrating pieces, frames, and devices
Patent number
7,906,890
Issue date
Mar 15, 2011
Nihon Dempa Kogyo Co., Ltd.
Shingo Kawanishi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Crystal unit having stacked structure
Patent number
7,564,177
Issue date
Jul 21, 2009
Nihon Dempa Kogyo Co., Ltd.
Masahiro Yoshimatsu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Angular velocity sensor and method of fabrication thereof
Patent number
7,456,555
Issue date
Nov 25, 2008
Nihon Dempa Kogyo Co., Ltd.
Hideryo Matsudo
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
ELECTRONIC DEVICE AND METHOD FOR FABRICATING THE SAME
Publication number
20140291011
Publication date
Oct 2, 2014
NIHON DEMPA KOGYO CO., LTD.
MASAHIRO YOSHIMATSU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PIEZOELECTRIC DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20110204753
Publication date
Aug 25, 2011
NIHON DEMPA KOGYO CO., LTD.
KENICHI KIKUCHI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PIEZOELECTRIC DEVICES AND METHODS FOR MANUFACTURING SAME
Publication number
20110187235
Publication date
Aug 4, 2011
Nihon Dempa Kogyo Co., Ltd.
Masahiro Yoshimatsu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Optical filter
Publication number
20110019296
Publication date
Jan 27, 2011
NIHON DEMPA KOGYO CO., LTD.
Takuji Yamamoto
G02 - OPTICS
Information
Patent Application
Method of manufacturing piezoelectric oscillating pieces, piezoelec...
Publication number
20100141100
Publication date
Jun 10, 2010
NIHON DEMPA KOGYO CO., LTD
Takehiro Takahashi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PIEZOELECTRIC VIBRATING PIECES, FRAMES, AND DEVICES
Publication number
20100096954
Publication date
Apr 22, 2010
Nihon Dempa Kogyo Co., Ltd.
Shingo Kawanishi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHODS FOR ADJUSTING FREQUENCY OF PIEZOELECTRIC VIBRATING PIECES,...
Publication number
20090174286
Publication date
Jul 9, 2009
Nihon Dempa Kogyo Co., Ltd.,
Masahiro Yoshimatsu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PIEZOELECTRIC VIBRATING PIECES, PIEZOELECTRIC DEVICES, AND METHODS...
Publication number
20090167118
Publication date
Jul 2, 2009
Nihon Dempa Kogyo Co., Ltd.
Masahiro Yoshimatsu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CRYSTAL UNIT HAVING STACKED STRUCTURE
Publication number
20080150398
Publication date
Jun 26, 2008
NIHON DEMPA KOGYO CO., LTD.
Masahiro YOSHIMATSU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Angular velocity sensor and method of fabrication thereof
Publication number
20060162449
Publication date
Jul 27, 2006
Hideryo Matsudo
G01 - MEASURING TESTING
Information
Patent Application
Quartz crystal unit and method for fabricating same
Publication number
20020117655
Publication date
Aug 29, 2002
NIHON DEMPA KOGYO CO., LTD.
Masahiro Yoshimatsu
H03 - BASIC ELECTRONIC CIRCUITRY