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Takayuki Itsuji
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Hitachinaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power conversion apparatus
Patent number
9,667,169
Issue date
May 30, 2017
Hitachi Automotive Systems, Ltd.
Masamichi Nawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air flow measuring device formed integrally with electronically con...
Patent number
7,383,815
Issue date
Jun 10, 2008
Hitachi, Ltd.
Hiroshi Hirayama
G01 - MEASURING TESTING
Information
Patent Grant
Air flow measuring device formed integrally with electronically con...
Patent number
6,997,162
Issue date
Feb 14, 2006
Hitachi, Ltd.
Hiroshi Hirayama
G01 - MEASURING TESTING
Information
Patent Grant
Bump forming method and bump forming apparatus
Patent number
6,541,364
Issue date
Apr 1, 2003
Hitachi, Ltd.
Hideki Mukuno
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Air flow measurement apparatus
Patent number
6,327,905
Issue date
Dec 11, 2001
Hitachi, Ltd.
Takayuki Itsuji
G01 - MEASURING TESTING
Information
Patent Grant
Air flow meter of a heating resistor type
Patent number
5,824,895
Issue date
Oct 20, 1998
Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd.
Takayuki Itsuji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Hot wire type air flowmeter
Patent number
5,537,871
Issue date
Jul 23, 1996
Hitachi, Ltd.
Takayuki Itsuji
G01 - MEASURING TESTING
Information
Patent Grant
Heating resistor type air flow meter with separate/processing unit
Patent number
5,440,924
Issue date
Aug 15, 1995
Hitachi, Ltd.
Takayuki Itsuji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air fuel ratio measuring system
Patent number
4,799,018
Issue date
Jan 17, 1989
Hitachi, Ltd.
Norio Ichikawa
G01 - MEASURING TESTING
Information
Patent Grant
Engine air-fuel ratio control apparatus
Patent number
4,676,213
Issue date
Jun 30, 1987
Hitachi, Ltd.
Takayuki Itsuji
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Power Conversion Apparatus
Publication number
20140239870
Publication date
Aug 28, 2014
Hitachi Automotive Systems, Ltd.
Masamichi Nawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
Air flow measuring device formed integrally with electronically con...
Publication number
20060096574
Publication date
May 11, 2006
HITACH LTD.
Hiroshi Hirayama
G01 - MEASURING TESTING
Information
Patent Application
Air flow measuring device formed integrally with electronically con...
Publication number
20040103880
Publication date
Jun 3, 2004
Hitachi, Ltd
Hiroshi Hirayama
G01 - MEASURING TESTING
Information
Patent Application
Bump forming method and bump forming apparatus
Publication number
20020058406
Publication date
May 16, 2002
Hideki Mukuno
H01 - BASIC ELECTRIC ELEMENTS