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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ignition coil for use in engine and engine having plastic cylinder...
Patent number
7,487,767
Issue date
Feb 10, 2009
Hitachi, Ltd.
Junichi Shimada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ignition coil for use in engine and engine having plastic cylinder...
Patent number
7,013,883
Issue date
Mar 21, 2006
Hitachi, Ltd.
Junichi Shimada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ignition coil for use in engine and engine having plastic cylinder...
Patent number
6,571,784
Issue date
Jun 3, 2003
Hitachi, Ltd.
Junichi Shimada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ignition coil unit for engine and engine provided with plastic head...
Patent number
6,332,458
Issue date
Dec 25, 2001
Hitachi, Ltd.
Junichi Shimada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition apparatus for use in internal combustion engine
Patent number
6,308,696
Issue date
Oct 30, 2001
Hitachi, Ltd.
Eiichiro Kondo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition coil for use in internal combustion engine
Patent number
6,237,578
Issue date
May 29, 2001
Hitachi, Ltd.
Takanori Satoo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ignition coil for use in internal combustion engine
Patent number
6,213,109
Issue date
Apr 10, 2001
Hitachi, Ltd.
Takanori Satoo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High voltage transformer and ignition transformer using the same
Patent number
6,191,675
Issue date
Feb 20, 2001
Hitachi, Ltd.
Ryoichi Sudo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Igniter for internal combustion engine having outer packing case eq...
Patent number
6,055,969
Issue date
May 2, 2000
Hitachi, Ltd.
Hidetoshi Oishi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition apparatus for use in internal combustion engine
Patent number
5,954,036
Issue date
Sep 21, 1999
Hitachi, Ltd
Eiichiro Kondo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Igniter for internal combustion engine having outer packing case eq...
Patent number
5,915,367
Issue date
Jun 29, 1999
Hitachi, Ltd.
Hidetoshi Oishi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition apparatus for an internal combustion engine
Patent number
5,632,259
Issue date
May 27, 1997
Hitachi, Ltd.
Eiichiro Konda
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Internal combustion engine distributor
Patent number
5,090,367
Issue date
Feb 25, 1992
Hitachi, Ltd.
Junichi Shimada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition coil-incorporated distributor for internal combustion engines
Patent number
5,036,827
Issue date
Aug 6, 1991
Hitachi, Ltd.
Junichi Shimada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition coil-incorporated distributor for internal combustion engines
Patent number
4,979,486
Issue date
Dec 25, 1990
Hitachi, Ltd.
Junichi Shimada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Distributor for internal combustion engine
Patent number
4,960,099
Issue date
Oct 2, 1990
Hitachi, Ltd.
Junichi Shimada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Knock control system
Patent number
4,562,813
Issue date
Jan 7, 1986
Hitachi, Ltd.
Terumi Okado
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Pressure-responsive ignition timing controller for a supercharged i...
Patent number
4,325,338
Issue date
Apr 20, 1982
Hitachi, Ltd.
Hiroshi Fujiwara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition device
Patent number
4,224,917
Issue date
Sep 30, 1980
Hitachi, Ltd.
Terumi Nakazawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Ignition coil for use in engine and engine having plastic cylinder...
Publication number
20060129890
Publication date
Jun 15, 2006
Hitachi, Ltd.
Junichi Shimada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Ignition coil for use in engine and engine having plastic cylinder...
Publication number
20040069288
Publication date
Apr 15, 2004
Hitachi, Ltd.
Junichi Shimada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Ignition coil for use in engine and engine having plastic cylinder...
Publication number
20020026929
Publication date
Mar 7, 2002
Junichi Shimada
H01 - BASIC ELECTRIC ELEMENTS