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Kenji Tabuchi
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Hitachinaka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Interface device and information processing system
Patent number
7,759,975
Issue date
Jul 20, 2010
Hitachi, Ltd.
Fumio Murabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interface device and information processing system
Patent number
7,479,804
Issue date
Jan 20, 2009
Hitachi, Ltd.
Fumio Murabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor circuit having drivers of different withstand voltage...
Patent number
7,161,264
Issue date
Jan 9, 2007
Hitachi, Ltd.
Nobuyasu Kanekawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Interface device and information processing system
Patent number
7,102,388
Issue date
Sep 5, 2006
Hitachi, Ltd.
Fumio Murabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interface device and information processing system
Patent number
6,977,522
Issue date
Dec 20, 2005
Hitachi, Ltd.
Fumio Murabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fuel injection apparatus, fuel injection method and internal combus...
Patent number
6,634,338
Issue date
Oct 21, 2003
Hitachi, Ltd.
Makoto Yamakado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Semiconductor device with scalable withstanding voltage
Patent number
6,624,474
Issue date
Sep 23, 2003
Hitachi, Ltd.
Nobuyasu Kanekawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electromagnetic fuel injector and control method thereof
Patent number
6,615,805
Issue date
Sep 9, 2003
Hitachi, Ltd.
Makoto Yamakado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electric power converter with continuous stable noise reduction
Patent number
6,600,295
Issue date
Jul 29, 2003
Hitachi, Ltd.
Nobuyasu Kanekawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electromagnetic fuel injection apparatus, an internal combustion en...
Patent number
6,550,458
Issue date
Apr 22, 2003
Hitachi, Ltd.
Makoto Yamakado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electromagnetic fuel injector and control method thereof
Patent number
6,431,155
Issue date
Aug 13, 2002
Hitachi, Ltd.
Makoto Yamakado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electromagnetic system fuel injection apparatus an internal combust...
Patent number
6,332,453
Issue date
Dec 25, 2001
Hitachi, Ltd.
Makoto Yamakado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electromagnetic fuel injector and control method thereof
Patent number
6,129,073
Issue date
Oct 10, 2000
Hitachi, Ltd.
Makoto Yamakado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electromagnetic fuel injector and control method thereof
Patent number
5,992,391
Issue date
Nov 30, 1999
Hitachi, Ltd.
Makoto Yamakado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Apparatus for controlling an automobile engine which is serially co...
Patent number
5,877,958
Issue date
Mar 2, 1999
Hitachi, Ltd.
Michimasa Horiuchi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electric circuit device provided on components necessary for contro...
Patent number
5,568,794
Issue date
Oct 29, 1996
Hitachi, Ltd.
Kenji Tabuchi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Ignition timing control system for an engine having backup function...
Patent number
5,060,614
Issue date
Oct 29, 1991
Hitachi, Ltd.
Kazuhiro Uchimi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine control system
Patent number
4,960,092
Issue date
Oct 2, 1990
Hitachi, Ltd.
Shoji Sasaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine control apparatus
Patent number
4,748,566
Issue date
May 31, 1988
Hitachi, Ltd.
Shoji Sasaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electronic ignition signal distributor for automobile engine
Patent number
4,726,347
Issue date
Feb 23, 1988
Hitachi, Ltd.
Shoji Sasaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of controlling engine
Patent number
4,498,444
Issue date
Feb 12, 1985
Hitachi, Ltd.
Kenji Tabuchi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
INTERFACE DEVICE AND INFORMATION PROCESSING SYSTEM
Publication number
20090115506
Publication date
May 7, 2009
Hitachi, Ltd
Fumio Murabayashi
G05 - CONTROLLING REGULATING
Information
Patent Application
Interface device and information processing system
Publication number
20060267631
Publication date
Nov 30, 2006
Hitachi, Ltd
Kenji Tabuchi
G05 - CONTROLLING REGULATING
Information
Patent Application
Mobile millimetric wave radar
Publication number
20050069277
Publication date
Mar 31, 2005
Terumi Nakazawa
G01 - MEASURING TESTING
Information
Patent Application
Semiconductor device
Publication number
20040051160
Publication date
Mar 18, 2004
Hitachi, Ltd.
Nobuyasu Kanekawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Heating device and engine drive method
Publication number
20040025852
Publication date
Feb 12, 2004
Hitachi, Ltd.
Nobuyasu Kanekawa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Interface device and information processing system
Publication number
20030117751
Publication date
Jun 26, 2003
Hitachi, Ltd
Fumio Murabayashi
G05 - CONTROLLING REGULATING
Information
Patent Application
Electromagnetic fuel injector and control method thereof
Publication number
20020166541
Publication date
Nov 14, 2002
Makoto Yamakado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Electric power converter
Publication number
20020149351
Publication date
Oct 17, 2002
Nobuyasu Kanekawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Semiconductor device
Publication number
20020109186
Publication date
Aug 15, 2002
Nobuyasu Kanekawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Heating device and engine drive method
Publication number
20020092508
Publication date
Jul 18, 2002
HITACHI LTD.
Nobuyasu Kanekawa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Electromagnetic fuel injection apparatus, an internal combustion en...
Publication number
20020056443
Publication date
May 16, 2002
Makoto Yamakado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS