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Takahiro OHTSUKA
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SAITAMA, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Piezoelectric device and manufacturing method of the same
Patent number
12,101,075
Issue date
Sep 24, 2024
Nihon Dempa Kogyo Co., Ltd.
Tetsuya Watanabe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Process of making a tuning fork type crystal component
Patent number
7,716,807
Issue date
May 18, 2010
Nihon Dempa Kogyo Co., Ltd.
Hideryo Matsudo
G01 - MEASURING TESTING
Information
Patent Grant
Tuning fork type crystal component for angular velocity sensor and...
Patent number
7,075,218
Issue date
Jul 11, 2006
Nihon Dempa Kogyo Co., Ltd.
Hideryo Matsudo
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
PIEZOELECTRIC DEVICE AND MANUFACTURING METHOD OF THE SAME
Publication number
20220263487
Publication date
Aug 18, 2022
NIHON DEMPA KOGYO CO., LTD.
Tetsuya WATANABE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FREQUENCY ADJUSTMENT METHOD OF PIEZOELECTRIC RESONATOR AND THE PIEZ...
Publication number
20170163234
Publication date
Jun 8, 2017
NIHON DEMPA KOGYO CO., LTD.
Yuya HIRATSUKA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RESONATOR, OSCILLATOR, AND METHOD FOR FABRICATING OSCILLATOR
Publication number
20140203883
Publication date
Jul 24, 2014
NIHON DEMPA KOGYO CO., LTD.
TAKAHIRO OHTSUKA
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
DISK RESONATOR AND ELECTRONIC COMPONENT
Publication number
20130175897
Publication date
Jul 11, 2013
NIHON DEMPA KOGYO CO., LTD.
Takahiro OHTSUKA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Tuning fork type crystal component for angular velocity sensor and...
Publication number
20060250051
Publication date
Nov 9, 2006
Nihon Dempa Kogyo Co., Ltd.
Hideryo Matsudo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Tuning fork type crystal component for angular velocity sensor and...
Publication number
20050122006
Publication date
Jun 9, 2005
Hideryo Matsudo
H03 - BASIC ELECTRONIC CIRCUITRY