Akira Maekawa

Inventor

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Work History

Patent OwnerApplications FiledYear
HITACHI, LTD.
3
2
2000
2001
HITACHI HIGH-TECHNOLOGIES CORPORATION
2
4
4
1
1
1
3
2006
2009
2010
2011
2013
2014
2015
Mitsubishi Jukogyo Kabushiki Kaisha
1
1991
Hitachi Engineering & Services Co., Ltd.
2
2000
KABUSHIKI KAISHA TOSHIBA
1
1
2
1
3
5
1
1986
1992
2012
2014
2015
2016
2017
AUDI AG
2
2004

Inventor Addresses

AddressDuration
Hitachi, JPJun 28, 01 - Oct 16, 01
Hitachi-shi, JPJan 23, 03 - Jan 23, 03
Hitachinaka, JPJul 20, 04 - Dec 08, 15
Hitachinaka-shi, JPSep 06, 01 - Sep 06, 01
Kamakura, JPDec 29, 16 - Mar 01, 18
Kanagawa-ken, JPAug 01, 13 - Aug 02, 16
Kanagawa-ken, NPOct 06, 16 - Oct 06, 16
Kawasaki Kanagawa, JPMay 19, 22 - Nov 28, 23
Kobe, JPNov 24, 92 - Nov 24, 92
Tokyo, JPAug 16, 88 - May 09, 23
Yokohama, JPJul 25, 06 - Jul 25, 06
Yokohama-shi, JPMar 30, 06 - Mar 30, 06

Technology Profile

Technology Matters
A61B: DIAGNOSIS; SURGERY; IDENTIFICATION 3
B01D: SEPARATION 1
B01L: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE 1

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
118310592023Fuel cell stack and operation method for fuel cell stack0
116444482023Chromatography mass spectrometry and chromatograph mass spectrometer0
2022/0158,2192022FUEL CELL STACK AND OPERATION METHOD FOR FUEL CELL STACK0
113204102022Chromatographic mass analysis device and control method0
2021/0223,2182021Chromatographic Mass Analysis Device and Control Method2

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