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Nakazumi Tadataka
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Hiroshima, JP
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last 30 patents
Information
Patent Grant
Exhaust gas purifying system for engine
Patent number
6,141,960
Issue date
Nov 7, 2000
Mazda Motor Corporation
Akihide Takami
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of and system for purifying exhaust gas for engines
Patent number
5,950,419
Issue date
Sep 14, 1999
Mazda Motor Corporation
Hirofumi Nishimura
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas purifying system
Patent number
5,501,074
Issue date
Mar 26, 1996
Mazda Motor Corporation
Hajime Suetsugu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Intake system for an internal combustion engine
Patent number
4,787,357
Issue date
Nov 29, 1988
Mazda Motor Corporation
Toshio Nishikawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air-fuel ratio control system for engine
Patent number
4,763,629
Issue date
Aug 16, 1988
Mazda Motor Corporation
Katsumi Okazaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Throttle valve control apparatus for an engine
Patent number
4,759,329
Issue date
Jul 26, 1988
Mazda Motor Corporation
Takeuchi Nobuo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Throttle valve control system for internal combustion engine
Patent number
4,691,677
Issue date
Sep 8, 1987
Mazda Motor Corp.
Makoto Hotate
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine idling load control means
Patent number
4,682,044
Issue date
Jul 21, 1987
Mazda Motor Corporation
Makoto Hotate
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Air-to-fuel ratio control systems for internal combustion engines
Patent number
4,669,439
Issue date
Jun 2, 1987
Mazda Motor Corporation
Kiyotaka Mamiya
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection system for an engine
Patent number
4,561,404
Issue date
Dec 31, 1985
Mitsubishi Denki Kabushiki Kaisha
Yoshiaki Kanno
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection control system for controlling the fuel distribution...
Patent number
4,532,905
Issue date
Aug 6, 1985
Mazda Motor Corporation
Katsuhiko Yokooku
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electrically operated engine throttle valve actuating device
Patent number
4,508,078
Issue date
Apr 2, 1985
Mazda Motor Corporation
Nobuo Takeuchi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Dual-catalyst exhaust gas purifying apparatus for multi-cylinder en...
Patent number
4,215,541
Issue date
Aug 5, 1980
Toyo Kogyo Co., Ltd.
Kazuyuki Tanaka
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Exhaust gas purifying apparatus for automobile multi-cylinder engine
Patent number
4,215,542
Issue date
Aug 5, 1980
Toyo Kogyo Co., Ltd.
Kazuo Kobayashi
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Exhaust gas purifying apparatus for automobile multi-cylinder engine
Patent number
4,215,540
Issue date
Aug 5, 1980
Toyo Kogyo Co., Ltd.
Kazuo Kobayashi
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Exhaust gas recirculation apparatus controlled by clutch, throttle...
Patent number
4,174,027
Issue date
Nov 13, 1979
Toyo Kogyo Co., Ltd.
Tadataka Nakazumi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS