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Kenichi Gunji
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Mito, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for adjusting stroke of fuel injection valve, and fuel injec...
Patent number
9,429,128
Issue date
Aug 30, 2016
Hitachi Automotive Systems, Ltd.
Kenichi Gunji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection valve and method for coupling two components together
Patent number
8,888,022
Issue date
Nov 18, 2014
Hitachi Automotive Systems, Ltd.
Kenichi Gunji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection valve and method for coupling two components together
Patent number
8,881,363
Issue date
Nov 11, 2014
Hitachi Automotive Systems, Ltd.
Kenichi Gunji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of machining orifice and press-working method
Patent number
8,567,063
Issue date
Oct 29, 2013
Hitachi Automotive Systems, Ltd.
Masato Higuma
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of processing orifice
Patent number
8,402,655
Issue date
Mar 26, 2013
Hitachi Automotive Systems, Ltd.
Masato Higuma
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Fuel injection valve and machining method for nozzle
Patent number
8,360,338
Issue date
Jan 29, 2013
Hitachi Automotive Systems, Ltd.
Kenichi Gunji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection valve and method for forming orifice thereof
Patent number
8,016,214
Issue date
Sep 13, 2011
Hitachi, Ltd.
Masato Higuma
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Injection valve and method of making orifice
Patent number
7,874,070
Issue date
Jan 25, 2011
Hitachi, Ltd.
Kenichi Gunji
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of coaxially connecting precision parts comprising a plurali...
Patent number
6,286,769
Issue date
Sep 11, 2001
Hitachi, Ltd.
Kenichi Gunji
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Fuel injector for use in internal combustion engine
Patent number
6,032,879
Issue date
Mar 7, 2000
Hitachi, Ltd.
Yasunaga Hamada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of producing nozzle for solenoid valve
Patent number
5,239,751
Issue date
Aug 31, 1993
Hitachi, Ltd.
Hisanobu Kanamaru
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for concentrically assembling a pair of cylindrical members...
Patent number
5,127,156
Issue date
Jul 7, 1992
Hitachi, Ltd.
Mizuho Yokoyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Compressor for compressing gases
Patent number
4,982,651
Issue date
Jan 8, 1991
Hitachi, Ltd.
Hisanobu Kanamaru
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Variable displacement compressor
Patent number
4,884,952
Issue date
Dec 5, 1989
Hitachi, Ltd.
Hisanobu Kanamaru
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Coupling Body, Fuel Injection Valve Including Coupling Body, and M...
Publication number
20230243326
Publication date
Aug 3, 2023
Hitachi Astemo, Ltd.
Ryohei MATSUTAKE
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Prestroke Adjustment Method for Fuel Injection Valve
Publication number
20230228238
Publication date
Jul 20, 2023
Hitachi Astemo, Ltd.
Ryohei MATSUTAKE
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Working Method of Orifice and Fuel Injection Valve
Publication number
20220275779
Publication date
Sep 1, 2022
Hitachi Astemo, Ltd.
Kenichi GUNJI
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
METHOD FOR ADJUSTING STROKE OF FUEL INJECTION VALVE, AND FUEL INJEC...
Publication number
20140076284
Publication date
Mar 20, 2014
Hitachi Automotive Systems, Ltd.
Kenichi Gunji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Fuel Injection Valve and Method for Coupling Two Components Together
Publication number
20120248228
Publication date
Oct 4, 2012
Hitachi Automotive Systems, Ltd.
Kenichi Gunji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Fuel Injection Valve and Method for Coupling Two Components Together
Publication number
20110042490
Publication date
Feb 24, 2011
Hitachi Automotive Systems, Ltd.
Kenichi Gunji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Fuel Injection Valve and Machining Method for Nozzle
Publication number
20110011954
Publication date
Jan 20, 2011
Kenichi Gunji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Method of Machining Orifice and Press-Working Method
Publication number
20110005077
Publication date
Jan 13, 2011
HITACHI AUTOMOTIVE SYSTEMS, LTD.
Masato Higuma
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Method of Processing Orifice
Publication number
20100229385
Publication date
Sep 16, 2010
Hitachi Automotive Systems, Ltd.
Masato HIGUMA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Fuel Injection Valve and Method for Forming Orifice Thereof
Publication number
20090242668
Publication date
Oct 1, 2009
Hitachi, Ltd
Masato Higuma
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Injection valve and method of making orifice
Publication number
20070057093
Publication date
Mar 15, 2007
HITACHI, LTD.
Kenichi Gunji
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Fuel injection valve
Publication number
20050067512
Publication date
Mar 31, 2005
Syuichi Shimizu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...