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Toshifumi Hiratsuka
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Hitachinaka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Exhaust gas purification apparatus of internal combustion engine an...
Patent number
7,093,432
Issue date
Aug 22, 2006
Hitachi, Ltd.
Hiroshi Hanaoka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Internal combustion engine exhaust gas purification apparatus, exha...
Patent number
6,841,511
Issue date
Jan 11, 2005
Hitachi, Ltd.
Masato Kaneeda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Moisture removal device and method thereof for internal combustion...
Patent number
6,823,659
Issue date
Nov 30, 2004
Hitachi, Ltd.
Toshifumi Hiratsuka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Exhaust emission control process for internal combustion engines
Patent number
6,630,115
Issue date
Oct 7, 2003
Hitachi, Ltd.
Masato Kaneeda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Exhaust gas purification apparatus of internal combustion engine an...
Patent number
6,397,582
Issue date
Jun 4, 2002
Hitachi, Ltd.
Hiroshi Hanaoka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas cleaning apparatus and method for internal combustion e...
Patent number
6,272,848
Issue date
Aug 14, 2001
Hitachi, Ltd.
Kojiro Okude
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas purification apparatus of internal combustion engine an...
Patent number
6,161,378
Issue date
Dec 19, 2000
Hitachi, Ltd.
Hiroshi Hanaoka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust gas purifying method and catalyst used therefor
Patent number
6,045,764
Issue date
Apr 4, 2000
Hitachi, Ltd.
Hidehiro Iizuka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of manufacturing catalyst for cleaning exhaust gas released...
Patent number
5,972,828
Issue date
Oct 26, 1999
Hitachi, Ltd.
Ryouta Doi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Exhaust Gas Purification Apparatus of Internal Combustion Engine an...
Publication number
20070204595
Publication date
Sep 6, 2007
Hitachi, Ltd
Hiroshi HANAOKA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Exhaust gas purifcation apparatus of internal combustion engine and...
Publication number
20050089456
Publication date
Apr 28, 2005
HITACHI, LTD.
Hiroshi Hanaoka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Internal combustion engine exhaust gas purification apparatus, exha...
Publication number
20030202925
Publication date
Oct 30, 2003
Hitachi, Ltd
Masato Kaneeda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Moisture removal device and method thereof for internal combustion...
Publication number
20030172646
Publication date
Sep 18, 2003
Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd.
Toshifumi Hiratsuka
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Exhaust gas purifying device for internal combustion engine
Publication number
20030154713
Publication date
Aug 21, 2003
Hitachi, Ltd
Toshifumi Hiratsuka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Exhaust gas purification apparatus of internal combustion engine an...
Publication number
20020159926
Publication date
Oct 31, 2002
Hitachi, Ltd.
Hiroshi Hanaoka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL