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Yasuyuki HAMANAKA
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Shizuoka, JP
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Patents Grants
last 30 patents
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Patent Grant
Four-cycle internal combustion engine and vehicle
Patent number
7,484,492
Issue date
Feb 3, 2009
Yamaha Hatsudoki Kabushiki Kaisha
Takehiko Shiraoya
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
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Patent Application
Four-Cycle Internal Combustion Engine and Vehicle
Publication number
20080006239
Publication date
Jan 10, 2008
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Takehiko SHIRAOYA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES