Kazuhiro Maruta

Person

Tochigi-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic pump/motor and method of suppressing pulsation of hydraul...
- Patent number 9,097,113
- Issue date Aug 4, 2015
- Komatsu Ltd.
- Takahiro Miyata
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Swing drive controlling system for construction machine
- Patent number 9,022,749
- Issue date May 5, 2015
- Komatsu Ltd.
- Teruo Akiyama
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic pump/motor and fan driving device
- Patent number 8,677,884
- Issue date Mar 25, 2014
- Komatsu Ltd.
- Kenichi Ogasawara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Arrangement structure of swash plate hydraulic pump hydraulic pump
- Patent number 6,960,069
- Issue date Nov 1, 2005
- Komatsu Ltd.
- Kazuhiro Maruta
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Plural pressure oil energies selective recovery apparatus and selec...
- Patent number 6,922,989
- Issue date Aug 2, 2005
- Komatsu Ltd.
- Shinobu Nagura
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic drive unit
- Patent number 6,718,763
- Issue date Apr 13, 2004
- Komatsu Ltd.
- Kazuhiro Maruta
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Pressure oil energy recover/regenation apparatus
- Patent number 6,460,332
- Issue date Oct 8, 2002
- Komatsu Ltd.
- Kazuhiro Maruta
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Cooling fan drive apparatus
- Patent number 6,311,488
- Issue date Nov 6, 2001
- Komatsu Ltd.
- Kazuhiro Maruta
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Air blower apparatus
- Patent number 6,305,333
- Issue date Oct 23, 2001
- Komatsu Ltd.
- Kazuhiro Maruta
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Pressurized fluid supply system
- Patent number 6,209,322
- Issue date Apr 3, 2001
- Komatsu Ltd.
- Nobumi Yoshida
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for recovering pressure oil returned from actuators
- Patent number 6,151,894
- Issue date Nov 28, 2000
- Komatsu Ltd.
- Hiroshi Endo
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Brake device for oil hydraulic motor
- Patent number 6,050,091
- Issue date Apr 18, 2000
- Komatsu Ltd.
- Kazuhiro Maruta
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Braking apparatus for a hydraulic motor
- Patent number 6,006,872
- Issue date Dec 28, 1999
- Komatsu Ltd.
- Kazuhiro Maruta
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC PUMP/MOTOR AND METHOD OF SUPPRESSING PULSATION OF HYDRAUL...
- Publication number 20130068091
- Publication date Mar 21, 2013
- Komatsu Ltd.
- Takahiro Miyata
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
ROTATION DRIVE CONTROLLING SYSTEM FOR CONSTRUCTION MACHINE
- Publication number 20110020146
- Publication date Jan 27, 2011
- Teruo Akiyama
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Fan Drive System
- Publication number 20100303643
- Publication date Dec 2, 2010
- Toyomi Kataoka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC PUMP/MOTOR AND FAN DRIVING DEVICE
- Publication number 20100287926
- Publication date Nov 18, 2010
- Komatsu Ltd.
- Kenichi Ogasawara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Plural pressure oil energies selective recovery apparatus and selec...
- Publication number 20040035103
- Publication date Feb 26, 2004
- Shinobu Nagura
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Hydraulic energy recovering/regenerating apparatus
- Publication number 20040000141
- Publication date Jan 1, 2004
- Shinobu Nagura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Arrangement structure of swash plate hydraulic pump hydraulic pump
- Publication number 20030046930
- Publication date Mar 13, 2003
- Kazuhiro Maruta
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydraulic drive unit
- Publication number 20030041727
- Publication date Mar 6, 2003
- Kazuhiro Maruta
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Pressurized fluid recovery/reutilization system
- Publication number 20010035011
- Publication date Nov 1, 2001
- Komatsu Ltd.
- Hiroshi Endo
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Kazuhiro Maruta

Person

Patents Grantslast 30 patents

Hydraulic pump/motor and method of suppressing pulsation of hydraul...

Swing drive controlling system for construction machine

Hydraulic pump/motor and fan driving device

Arrangement structure of swash plate hydraulic pump hydraulic pump

Plural pressure oil energies selective recovery apparatus and selec...

Hydraulic drive unit

Pressure oil energy recover/regenation apparatus

Cooling fan drive apparatus

Air blower apparatus

Pressurized fluid supply system

Apparatus for recovering pressure oil returned from actuators

Brake device for oil hydraulic motor

Braking apparatus for a hydraulic motor

Patents Applicationslast 30 patents

HYDRAULIC PUMP/MOTOR AND METHOD OF SUPPRESSING PULSATION OF HYDRAUL...

ROTATION DRIVE CONTROLLING SYSTEM FOR CONSTRUCTION MACHINE

Fan Drive System

HYDRAULIC PUMP/MOTOR AND FAN DRIVING DEVICE

Plural pressure oil energies selective recovery apparatus and selec...

Hydraulic energy recovering/regenerating apparatus

Arrangement structure of swash plate hydraulic pump hydraulic pump

Hydraulic drive unit

Pressurized fluid recovery/reutilization system