Keiichi Yamaguchi

Inventor

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Work History

Patent OwnerApplications FiledYear
NEW ENERGY AND INDUSTRIAL TECHNOLOGY DEVELOPMENT ORGANIZATION (50%)
1
1994
INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER
1
1994
SYSMEX CORPORATION
2
1
1
2004
2014
2015
SHARP KABUSHIKI KAISHA (25%)
1
1994
SOFTARD INDUSTRIES CO., LTD.
2
2009
Ash Tsujiguchi Corporation
1
2006
NEC CORPORATION
1
1996
E.I. DU PONT DE NEMOURS AND COMPANY (1/3 INTEREST)
1
1996
SHARP KABUSHIKI KAISHA
1
1994
NEC CORPORATION (1/3 INTEREST)
1
1996
INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER (25%)
1
1994
SEIKO EPSON CORPORATION
2
2
8
2
4
3
2005
2012
2013
2014
2015
2016
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
4
2
2
2
2004
2005
2007
2008
Gumma Rice Flour Milling Co., Ltd.
1
2006
KABUSHIKI KAISHA TOSHIBA
1
1
3
4
2
5
8
7
6
2
2
4
4
3
1
1998
1999
2001
2002
2003
2004
2005
2006
2007
2009
2012
2014
2015
2016
2017
SANYO ELECTRIC CO., LTD.
1
1
1
1
2003
2005
2006
2007
INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER (1/3 INTEREST)
1
1996

Inventor Addresses

AddressDuration
Anpachi-Gun, JPMay 29, 08 - May 29, 08
Anpachi-gun, JPNov 18, 04 - Apr 05, 07
Chiba, JPMar 12, 96 - Oct 20, 22
Gifu, JPMar 03, 05 - Jul 19, 11
Ina, JPMay 23, 13 - Mar 18, 25
Ina-shi, JPApr 28, 16 - Mar 13, 25
Kamiinagunminowa, JPApr 24, 07 - Apr 24, 07
Kanagawa, JPJul 17, 01 - Mar 01, 22
Kanagawa-Ken, JPDec 13, 07 - Dec 13, 07
Kanagawa-ken, JPMar 22, 07 - Jul 05, 11
Kawasaki Kanagawa, JPSep 03, 15 - Mar 07, 24
Kawasaki, JPAug 23, 05 - Mar 29, 22
Kawasaki-shi, JPDec 05, 02 - Jan 15, 15
Kobe, JPApr 01, 08 - Sep 05, 23
Kobe-shi, JPApr 28, 05 - Apr 02, 20
Kurokawa-gun, JPDec 24, 20 - Dec 24, 20
Miyagi, JPMay 07, 24 - May 07, 24
Nagano-ken, JPApr 06, 06 - Apr 06, 06
Osaka, JPJun 29, 06 - Jun 29, 06
Shibukawa-City, JPOct 26, 06 - Oct 26, 06
Tokyo, JPAug 04, 98 - Jun 14, 11

Technology Profile

Technology Matters
A23G: COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF 1
B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1
B23K: SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 1

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
122556192025Vibration element, manufacturing method of vibration element, physical quantity sensor, inertial measurement device, electronic apparatus, and vehicle0
2025/0088,1712025METHOD OF MANUFACTURING VIBRATOR ELEMENT, VIBRATOR ELEMENT, AND VIBRATOR0
122133812025Method for manufacturing vibration element0
122075572025Method for manufacturing vibrator device0
121995832025Method for manufacturing vibration element0

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