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Yoshiki Sekiya
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Engine piston
Patent number
5,448,942
Issue date
Sep 12, 1995
Nissan Motor Co., Ltd.
Takayuki Arai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas purifying device for an internal combustion engine
Patent number
5,319,930
Issue date
Jun 14, 1994
Nissan Motor Co., Ltd.
Motohiro Shinzawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas purifying device for an internal combustion engine
Patent number
5,287,698
Issue date
Feb 22, 1994
Nissan Motor Co., Ltd.
Motohiro Shinzawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas purifying device for internal combustion engine
Patent number
5,207,990
Issue date
May 4, 1993
Nissan Motor Co., Ltd.
Yoshiki Sekiya
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas purifying device for an internal combustion engine
Patent number
5,195,316
Issue date
Mar 23, 1993
Nissan Motor Co., Ltd.
Motohiro Shinzawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas purifying device for an internal combustion engine
Patent number
5,195,318
Issue date
Mar 23, 1993
Nissan Motor Co., Ltd.
Motohiro Shinzawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Apparatus for treating exhaust particulates resulting from combusti...
Patent number
5,146,900
Issue date
Sep 15, 1992
Nissan Motor Co., Ltd.
Yoshiki Sekiya
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Flame dispersion arrangement for swirl chamber type diesel engine p...
Patent number
5,024,194
Issue date
Jun 18, 1991
Nissan Motor Company, Ltd.
Motohiro Shinzawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Diesel engine having shaped flame dispersing recess in piston crown
Patent number
4,881,501
Issue date
Nov 21, 1989
Nissan Motor Co., Ltd.
Motohiro Shinzawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS