Masaaki Kuma

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Ishikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluid type power transmission system
- Patent number 8,661,805
- Issue date Mar 4, 2014
- Komatsu Ltd.
- Masaaki Kuma
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Lubricating oil supply control device for construction machine
- Patent number 8,447,476
- Issue date May 21, 2013
- Komatsu Ltd.
- Eiji Yamaguchi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Transmission for industrial vehicle
- Patent number 8,356,528
- Issue date Jan 22, 2013
- Komatsu Ltd.
- Masaaki Kuma
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Speed change controller of working vehicle
- Patent number 8,182,394
- Issue date May 22, 2012
- Komatsu Ltd.
- Eiji Yamaguchi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Construction vehicle
- Patent number 8,147,376
- Issue date Apr 3, 2012
- Komatsu Ltd.
- Hiroaki Takeshima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
LUBRICATING OIL SUPPLY CONTROL DEVICE FOR CONSTRUCTION MACHINE
- Publication number 20110276237
- Publication date Nov 10, 2011
- Komatsu Ltd.
- Eiji Yamaguchi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
FLUID TYPE POWER TRANSMISSION SYSTEM
- Publication number 20100236229
- Publication date Sep 23, 2010
- KOMATSU LTD.
- Masaaki Kuma
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SPEED CHANGE CONTROLLER OF WORKING VEHICLE
- Publication number 20100197459
- Publication date Aug 5, 2010
- Eiji Yamaguchi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CONSTRUCTION VEHICLE
- Publication number 20100069198
- Publication date Mar 18, 2010
- KOMATSU LTD.
- Hiroaki Takeshima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TRANSMISSION FOR INDUSTRIAL VEHICLE
- Publication number 20100018336
- Publication date Jan 28, 2010
- KOMATSU LTD.
- Masaaki Kuma
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Varibale displacement oil hydraulic motor and crawler vehicle drive...
- Publication number 20030186770
- Publication date Oct 2, 2003
- Masaaki Kuma
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...