Kenji Kakizawa

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic drive device for large hydraulic excavator
- Patent number 8,424,299
- Issue date Apr 23, 2013
- Hitachi Construction Machinery Co., Ltd.
- Kenji Kakizawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Pump torque controller of hydraulic working machine
- Patent number 8,056,331
- Issue date Nov 15, 2011
- Hitachi Construction Machinery Co., Ltd.
- Kenji Kakizawa
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Displacement control signal correction method, displacement control...
- Patent number 7,979,229
- Issue date Jul 12, 2011
- Hitachi Construction Machinery Co., Ltd.
- Saimon Otaka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic Drive Device for Large Hydraulic Excavator
- Publication number 20100162696
- Publication date Jul 1, 2010
- Hitachi Construction Machinery Co., Ltd.
- Kenji Kakizawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Pump Torque Controller of Hydraulic Working Machine
- Publication number 20090126361
- Publication date May 21, 2009
- HITACHI CONSTRUCTION MACHINERY CO., LTD.
- Kenji Kakizawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Displacement control signal correction method, displacement control...
- Publication number 20070193263
- Publication date Aug 23, 2007
- Hitachi Construction Machinery Co., Ltd.
- Saimon Otaka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING