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Izumi Yamamoto
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Sayama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrostatic-type electromechanical transducer
Patent number
10,622,917
Issue date
Apr 14, 2020
Citizen Watch Co., Ltd.
Izumi Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Package structure of a piezoelectric device mounting and supporting...
Patent number
8,558,435
Issue date
Oct 15, 2013
Citizen Holdings Co., Ltd.
Kazuo Murata
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Tuning fork type quartz piece and oscillator comprising such tuning...
Patent number
7,986,077
Issue date
Jul 26, 2011
Citizen Holdings Co., Ltd.
Izumi Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Manufacturing method for vibrator
Patent number
7,901,587
Issue date
Mar 8, 2011
Citizen Holdings Co. Ltd.
Izumi Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Vibration gyro
Patent number
7,673,511
Issue date
Mar 9, 2010
Citizen Holdings Co., Ltd.
Izumi Yamamoto
G01 - MEASURING TESTING
Information
Patent Grant
Vibration gyro and the process of producing the same
Patent number
7,637,159
Issue date
Dec 29, 2009
Citizen Holdings Co., Ltd.
Izumi Yamamoto
G01 - MEASURING TESTING
Information
Patent Grant
Vibration gyro
Patent number
6,675,651
Issue date
Jan 13, 2004
Citizen Watch Co., Ltd.
Tohru Yanagisawa
G01 - MEASURING TESTING
Information
Patent Grant
Vibration gyroscope
Patent number
6,437,490
Issue date
Aug 20, 2002
Citizen Watch Co., Ltd.
Tohru Yanagisawa
G01 - MEASURING TESTING
Information
Patent Grant
Vibration gyro
Patent number
6,281,619
Issue date
Aug 28, 2001
Citizen Watch Co., Ltd.
Tohru Yanagisawa
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
ELECTROSTATIC-TYPE ELECTROMECHANICAL TRANSDUCER
Publication number
20190081576
Publication date
Mar 14, 2019
Citizen Watch Co., Ltd.
Izumi YAMAMOTO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PIEZOELECTRIC DEVICE
Publication number
20110018399
Publication date
Jan 27, 2011
CITIZEN HOLDINGS CO., LTD.
Kazuo Murata
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PIEZOELECTRIC VIBRATOR, AND VIBRATION GYRO
Publication number
20100116052
Publication date
May 13, 2010
CITIZEN HOLDINGS CO., LTD.
Tohru Yanagisawa
G01 - MEASURING TESTING
Information
Patent Application
QUARTZ PIECE AND OSCILLATOR
Publication number
20090066194
Publication date
Mar 12, 2009
Izumi Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Manufacturing Method for Vibrator
Publication number
20080067144
Publication date
Mar 20, 2008
Izumi Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Vibration gyro and the process of producing the same
Publication number
20080022769
Publication date
Jan 31, 2008
CITIZEN HOLDINGS CO., LTD.
Izumi Yamamoto
G01 - MEASURING TESTING
Information
Patent Application
Vibration gyro
Publication number
20070068251
Publication date
Mar 29, 2007
Citizen Watch Co., Ltd.
Izumi Yamamoto
G01 - MEASURING TESTING
Information
Patent Application
Vibration gyro
Publication number
20030056590
Publication date
Mar 27, 2003
Tohru Yanagisawa
G01 - MEASURING TESTING