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Takahumi Oowada
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Hitachinaka-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Valve timing control apparatus for internal combustion engine
Patent number
8,452,519
Issue date
May 28, 2013
Hitachi, Ltd.
Naoki Kokubo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
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Patent Application
VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
Publication number
20090210137
Publication date
Aug 20, 2009
Hitachi, Ltd.
Naoki KOKUBO
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES