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Patents Grants
last 30 patents
Information
Patent Grant
Status detector for power supply, power supply, and initial charact...
Patent number
8,054,045
Issue date
Nov 8, 2011
Hitachi Vehicle Energy, Ltd.
Youhei Kawahara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Battery management system for calculating charge and disharge powers
Patent number
8,004,239
Issue date
Aug 23, 2011
Hitachi Vehicle Energy, Ltd.
Youhei Kawahara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Storage battery managing apparatus and vehicle controlling apparatu...
Patent number
7,755,331
Issue date
Jul 13, 2010
Hitachi, Ltd.
Youhei Kawahara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Status detector for power supply, power supply, and initial charact...
Patent number
7,622,894
Issue date
Nov 24, 2009
Hitachi Vehicle Energy, Ltd.
Youhei Kawahara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Battery management system
Patent number
7,514,905
Issue date
Apr 7, 2009
Hitachi Vehicle Energy, Ltd.
Youhei Kawahara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Resin sealed electronic device and method of fabricating the same a...
Patent number
6,321,734
Issue date
Nov 27, 2001
Hitachi, Ltd.
Toshiaki Kaminaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Powertrain control device
Patent number
6,014,604
Issue date
Jan 11, 2000
Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd.
Hiroshi Kuroiwa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Powertrain control device for a vehicle using targeted tongue gener...
Patent number
5,826,208
Issue date
Oct 20, 1998
Hitachi, Ltd.
Hiroshi Kuroiwa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Driving torque control device and method for controlling driving to...
Patent number
5,816,976
Issue date
Oct 6, 1998
Hitachi, Ltd.
Hiroshi Kuroiwa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of controlling electronic fuel injection to internal combust...
Patent number
RE33890
Issue date
Apr 21, 1992
Hitachi, Ltd.
Mikihiko Ohnari
123 - Internal-combustion engines
Information
Patent Grant
Combustion fault detection apparatus and control system for interna...
Patent number
5,021,960
Issue date
Jun 4, 1991
Hitachi, Ltd.
Toshio Manaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for controlling air-fuel ratio for use in internal combustio...
Patent number
4,995,366
Issue date
Feb 26, 1991
Hitachi, Ltd.
Toshio Manaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Control apparatus and method for an internal combustion engine
Patent number
4,984,167
Issue date
Jan 8, 1991
Hitachi, Ltd.
Matsuo Amano
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Throttle valve opening degree controlling apparatus for internal co...
Patent number
4,953,530
Issue date
Sep 4, 1990
Hitachi, Ltd.
Toshio Manaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Control method for a fuel injection engine
Patent number
4,939,658
Issue date
Jul 3, 1990
Hitachi, Ltd.
Teruji Sekozawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine control apparatus
Patent number
4,919,094
Issue date
Apr 24, 1990
Hitachi, Ltd.
Toshio Manaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electronic throttle controlling apparatus for use in an internal co...
Patent number
4,919,096
Issue date
Apr 24, 1990
Hitachi, Ltd.
Toshio Manaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine control apparatus
Patent number
4,907,558
Issue date
Mar 13, 1990
Hitachi, Ltd.
Toshio Manaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air-fuel ratio adaptive controlling apparatus for use in an interna...
Patent number
4,905,653
Issue date
Mar 6, 1990
Hitachi, Ltd.
Toshio Manaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of controlling air-fuel ratio
Patent number
4,837,698
Issue date
Jun 6, 1989
Hitachi, Ltd.
Matsuo Amano
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and system for idle speed control
Patent number
4,708,108
Issue date
Nov 24, 1987
Hitachi, Ltd.
Masahide Sakamoto
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method controlling air-fuel ratio
Patent number
4,703,430
Issue date
Oct 27, 1987
Hitachi, Ltd.
Matsuo Amano
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of controlling electronic fuel injection to internal combust...
Patent number
4,697,566
Issue date
Oct 6, 1987
Hitachi, Ltd.
Mikihiko Ohnari
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition timing control apparatus for an internal combustion engine...
Patent number
4,676,212
Issue date
Jun 30, 1987
Hitachi, Ltd.
Yuichi Kashimura
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electronic control apparatus for internal combustion engine
Patent number
4,566,420
Issue date
Jan 28, 1986
Hitachi, Ltd.
Masahide Sakamoto
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
Information
Patent Grant
Method and system for engine control
Patent number
4,366,541
Issue date
Dec 28, 1982
Hitachi, Ltd.
Yasunori Mouri
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Device for electrically connecting spark plug to high-voltage cable
Patent number
4,274,695
Issue date
Jun 23, 1981
Hitachi, Ltd.
Yukitsugu Fukumori
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Status Detector for Power Supply, Power Supply, and Initial Charact...
Publication number
20100030499
Publication date
Feb 4, 2010
HITACHI VEHICLE ENERGY, LTD.
Youhei Kawahara
B60 - VEHICLES IN GENERAL
Information
Patent Application
Battery Management System
Publication number
20090174369
Publication date
Jul 9, 2009
HITACHI VEHICLE ENERGY, LTD.
Youhei Kawahara
B60 - VEHICLES IN GENERAL
Information
Patent Application
STORAGE BATTERY MANAGING APPARATUS AND VEHICLE CONTROLLING APPARATU...
Publication number
20080156551
Publication date
Jul 3, 2008
Hitachi, Ltd
Youhei Kawahara
B60 - VEHICLES IN GENERAL
Information
Patent Application
Battery management system
Publication number
20070145954
Publication date
Jun 28, 2007
HITACHI VEHICLE ENERGY, LTD.
Youhei Kawahara
B60 - VEHICLES IN GENERAL
Information
Patent Application
Status detector for power supply, power supply, and initial charact...
Publication number
20060202857
Publication date
Sep 14, 2006
HITACHI VEHICLE ENERGY, LTD.
Youhei Kawahara
B60 - VEHICLES IN GENERAL