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Keiichi Saji
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Aichi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrodes, electrochemical elements, gas sensors, and gas measurem...
Patent number
7,153,412
Issue date
Dec 26, 2006
Kabushiki Kaisha Toyota Chuo Kenkyusho
Tadashi Inaba
G01 - MEASURING TESTING
Information
Patent Grant
NOx gas detecting apparatus
Patent number
6,607,643
Issue date
Aug 19, 2003
Kabushiki Kaisha Toyota Chuo Kenkyusho
Hideaki Takahashi
G01 - MEASURING TESTING
Information
Patent Grant
Limiting current type oxygen sensor
Patent number
5,814,719
Issue date
Sep 29, 1998
Yazaki Corporation
Takayuki Suzuki
G01 - MEASURING TESTING
Information
Patent Grant
Thin film multilayered air/fuel ratio sensor
Patent number
5,480,535
Issue date
Jan 2, 1996
Kabushiki Kaisha Toyota Chuo Kenkyusho
Haruyoshi Kondo
G01 - MEASURING TESTING
Information
Patent Grant
Operation control system for internal combustion engine
Patent number
4,993,386
Issue date
Feb 19, 1991
Kabushiki Kaisha Toyota Chuo Kenkyusho
Toshihiro Ozasa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Wide-range air/fuel ratio sensor and detector using the same
Patent number
4,844,788
Issue date
Jul 4, 1989
Kabushiki Kaisha Toyota Chuo Kenkyusho
Hideaki Takahashi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Equipment for detecting oxygen concentration
Patent number
4,626,338
Issue date
Dec 2, 1986
Kabushiki Kaisha Toyota Chuo Kenkyusho
Haruyoshi Kondo
G01 - MEASURING TESTING
Information
Patent Grant
Limiting electric current type oxygen sensor
Patent number
4,595,485
Issue date
Jun 17, 1986
Kabushiki Kaisha Toyota Chuo Kenkyusho
Hideaki Takahashi
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus with polarographic sensor to detect concentrations of plu...
Patent number
4,576,705
Issue date
Mar 18, 1986
Kabushiki Kaisha Toyota Chuo Kenkyusho
Haruyoshi Kondo
G01 - MEASURING TESTING
Information
Patent Grant
Limiting electric current type oxygen sensor with heater and limiti...
Patent number
4,510,036
Issue date
Apr 9, 1985
Kabushiki Kaisha Toyota Chouo Kenkyusho
Takashi Takeuchi
G01 - MEASURING TESTING
Information
Patent Grant
Limiting electric current type oxygen concentration detector applie...
Patent number
4,472,262
Issue date
Sep 18, 1984
Kabushiki Kaisha Toyota Chuo Kenkyusho
Haruyoshi Kondo
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Gas Sensor, Fuel Supply System Using the Same, and Method of Using...
Publication number
20090050493
Publication date
Feb 26, 2009
Toyota Jidosha Kabushiki Kaisha
Keiichi Saji
G01 - MEASURING TESTING
Information
Patent Application
NOx sensing cell, manufacturing method for the NOx sensing cell, an...
Publication number
20050061670
Publication date
Mar 24, 2005
DENSO CORPORATION
Akio Tanaka
G01 - MEASURING TESTING
Information
Patent Application
Electrodes, electrochemical elements, gas sensors, and gas measurem...
Publication number
20030121801
Publication date
Jul 3, 2003
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
Tadashi Inaba
G01 - MEASURING TESTING
Information
Patent Application
NOx gas detecting apparatus
Publication number
20010023823
Publication date
Sep 27, 2001
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
Hideaki Takahashi
G01 - MEASURING TESTING