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Masaharu Sumiyoshi
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Aichi, JP
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last 30 patents
Information
Patent Grant
Torque transmission coupling
Patent number
5,046,595
Issue date
Sep 10, 1991
Kabushiki Kaisha Toyota Chuo Kenkyusho
Masaharu Sumiyoshi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Four-wheel-drive vehicle having a torque transmission coupling for...
Patent number
4,938,306
Issue date
Jul 3, 1990
Kabushiki Kaisha Toyota Chuo Kenkyusho
Masaharu Sumiyoshi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Intermittent type swirl injection nozzle
Patent number
4,721,253
Issue date
Jan 26, 1988
Kabushiki Kaisha Toyota Chuo Kenkyusho
Masaaki Noguchi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Intermittent type swirl injection nozzle
Patent number
4,653,694
Issue date
Mar 31, 1987
K.K. Toyota Chuo Kenkyusho
Masaaki Noguchi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Continuously variable vehicular transmission for reducing transmiss...
Patent number
4,644,821
Issue date
Feb 24, 1987
Kubushiki Kaisha Toyota Chuo Kenkyusho
Masaharu Sumiyoshi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...