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Junichi Arai
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Saitama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Oven-controlled crystal oscillator
Patent number
10,666,194
Issue date
May 26, 2020
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Oven controlled crystal oscillator
Patent number
10,291,235
Issue date
May 14, 2019
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
G05 - CONTROLLING REGULATING
Information
Patent Grant
Electronic device
Patent number
10,278,293
Issue date
Apr 30, 2019
Nihon Dempa Kogyo Co., Ltd.
Tomoyuki Hosoda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Oven controlled crystal oscillator
Patent number
10,256,825
Issue date
Apr 9, 2019
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electronic device
Patent number
10,043,717
Issue date
Aug 7, 2018
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Temperature control circuit and oven controlled crystal oscillator
Patent number
9,256,235
Issue date
Feb 9, 2016
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
G05 - CONTROLLING REGULATING
Information
Patent Grant
Oscillator circuit
Patent number
9,077,281
Issue date
Jul 7, 2015
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Oven controlled crystal oscillator
Patent number
9,077,347
Issue date
Jul 7, 2015
Nihon Dempa Kogyo Co., Ltd.
Takahiro Yoshimura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Temperature control circuit of oven-controlled crystal oscillator
Patent number
8,981,260
Issue date
Mar 17, 2015
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
G05 - CONTROLLING REGULATING
Information
Patent Grant
Temperature control circuit of oven controlled crystal oscillator
Patent number
8,653,420
Issue date
Feb 18, 2014
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Constant-temperature type crystal oscillator
Patent number
8,212,626
Issue date
Jul 3, 2012
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Oven-controlled crystal oscillator
Patent number
8,049,572
Issue date
Nov 1, 2011
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Secondary vibration damping type crystal oscillator circuit
Patent number
8,044,730
Issue date
Oct 25, 2011
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Crystal oscillator
Patent number
8,040,197
Issue date
Oct 18, 2011
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Constant-temperature type crystal oscillator
Patent number
8,013,683
Issue date
Sep 6, 2011
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Constant temperature crystal oscillator
Patent number
7,382,204
Issue date
Jun 3, 2008
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
OVEN-CONTROLLED CRYSTAL OSCILLATOR
Publication number
20180013386
Publication date
Jan 11, 2018
NIHON DEMPA KOGYO CO., LTD.
Junichi ARAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRONIC DEVICE
Publication number
20170358499
Publication date
Dec 14, 2017
NIHON DEMPA KOGYO CO., LTD.
Junichi ARAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRONIC DEVICE
Publication number
20170359906
Publication date
Dec 14, 2017
NIHON DEMPA KOGYO CO., LTD.
Tomoyuki HOSODA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVEN CONTROLLED CRYSTAL OSCILLATOR
Publication number
20170250691
Publication date
Aug 31, 2017
NIHON DEMPA KOGYO CO., LTD.
Junichi ARAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OVEN CONTROLLED CRYSTAL OSCILLATOR
Publication number
20170019109
Publication date
Jan 19, 2017
NIHON DEMPA KOGYO CO., LTD.
Junichi ARAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TEMPERATURE CONTROL CIRCUIT AND OVEN CONTROLLED CRYSTAL OSCILLATOR
Publication number
20150084705
Publication date
Mar 26, 2015
NIHON DEMPA KOGYO CO., LTD.
JUNICHI ARAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OVEN CONTROLLED CRYSTAL OSCILLATOR
Publication number
20140009235
Publication date
Jan 9, 2014
TAKAHIRO YOSHIMURA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OSCILLATOR CIRCUIT
Publication number
20130249641
Publication date
Sep 26, 2013
NIHON DEMPA KOGYO CO., LTD.
Junichi ARAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TEMPERATURE CONTROL CIRCUIT OF OVEN-CONTROLLED CRYSTAL OSCILLATOR
Publication number
20130008883
Publication date
Jan 10, 2013
NIHON DEMPA KOGYO CO., LTD.
JUNICHI ARAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TEMPERATURE CONTROL CIRCUIT OF OVEN CONTROLLED CRYSTAL OSCILLATOR
Publication number
20120292300
Publication date
Nov 22, 2012
NIHON DEMPA KOGYO CO., LTD.
Junichi ARAI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CONSTANT-TEMPERATURE TYPE CRYSTAL OSCILLATOR
Publication number
20100231309
Publication date
Sep 16, 2010
NIHON DEMPA KOGYO CO., LTD.
Junichi ARAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CRYSTAL OSCILLATOR
Publication number
20100102892
Publication date
Apr 29, 2010
NIHON DEMPA KOGYO CO., LTD.
Junichi ARAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Constant-temperature type crystal oscillator
Publication number
20100052802
Publication date
Mar 4, 2010
NIHON DEMPA KOGYO CO., LTD.
Junichi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Oven-controlled crystal oscillator
Publication number
20090212878
Publication date
Aug 27, 2009
Junichi Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Constant temperature crystal oscillator
Publication number
20060214743
Publication date
Sep 28, 2006
Nihon Dempa Kogyo Co., Ltd.
Junichi Arai
H03 - BASIC ELECTRONIC CIRCUITRY