Hiroshi Koyama

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Engine-driven working machine
- Patent number 10,280,837
- Issue date May 7, 2019
- Honda Motor Co., Ltd.
- Masashi Kai
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Fuel-tank-equipped working machine
- Patent number 10,247,151
- Issue date Apr 2, 2019
- Honda Motor Co., Ltd.
- Hiroshi Koyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine-driven working machine
- Patent number 10,224,783
- Issue date Mar 5, 2019
- Honda Motor Co., Ltd.
- Hiroshi Koyama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine-driven working machine
- Patent number 10,122,245
- Issue date Nov 6, 2018
- Honda Motor Co., Ltd.
- Hiroshi Koyama
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine-driven working machine housed in outer case with vibration i...
- Patent number 10,001,055
- Issue date Jun 19, 2018
- Honda Motor Co., Ltd.
- Hiroshi Koyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-cooled engine
- Patent number 7,779,792
- Issue date Aug 24, 2010
- Honda Motor Co., Ltd.
- Yoshihiko Kubo
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
ENGINE-DRIVEN WORKING MACHINE
- Publication number 20170271953
- Publication date Sep 21, 2017
- Honda Motor Co., Ltd.
- Hiroshi Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ENGINE-DRIVEN WORKING MACHINE
- Publication number 20170268417
- Publication date Sep 21, 2017
- Honda Motor Co., Ltd.
- Hiroshi Koyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE-DRIVEN WORKING MACHINE
- Publication number 20170268416
- Publication date Sep 21, 2017
- Honda Motor Co., Ltd.
- Masashi Kai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE-DRIVEN WORKING MACHINE
- Publication number 20170271942
- Publication date Sep 21, 2017
- Honda Motor Co., Ltd.
- Hiroshi Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FUEL-TANK-EQUIPPED WORKING MACHINE
- Publication number 20170260941
- Publication date Sep 14, 2017
- Honda Motor Co., Ltd.
- Hiroshi Koyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AIR-COOLED ENGINE
- Publication number 20090044769
- Publication date Feb 19, 2009
- Honda Motor Co., Ltd.
- Yoshihiko Kubo
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES