Mitsuru Arai

Person

Tochigi-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic pump-motor
- Patent number 10,598,146
- Issue date Mar 24, 2020
- Komatsu Ltd.
- Takeo Iida
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Hydraulic piston pump with a balance valve
- Patent number 8,047,120
- Issue date Nov 1, 2011
- Komatsu Ltd.
- Shigeru Shinohara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydraulically actuated breaker with lost-motion prevention device
- Patent number 6,152,013
- Issue date Nov 28, 2000
- Komatsu Ltd.
- Shigeru Shinohara
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Counter balance valve
- Patent number 6,068,013
- Issue date May 30, 2000
- Komatsu Ltd.
- Mitsuru Arai
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic ramming apparatus
- Patent number 6,056,070
- Issue date May 2, 2000
- Komatsu Ltd.
- Shigeru Shinohara
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Counter balance valve
- Patent number 6,029,689
- Issue date Feb 29, 2000
- Komatsu Ltd.
- Mitsuru Arai
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Emergency stop apparatus for hydraulic speed change gear
- Patent number 6,027,179
- Issue date Feb 22, 2000
- Komatsu Ltd.
- Mitsuru Arai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic braking apparatus having two safety valves
- Patent number 5,884,984
- Issue date Mar 23, 1999
- Komatsu Ltd.
- Mitsuru Arai
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Swash plate angle changing apparatus for a piston pump/motor of swa...
- Patent number 5,826,488
- Issue date Oct 27, 1998
- Komatsu Ltd.
- Mitsuru Arai
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC PUMP-MOTOR
- Publication number 20170045028
- Publication date Feb 16, 2017
- Komatsu Ltd.
- Takeo Iida
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Hydraulic Piston Pump
- Publication number 20080138225
- Publication date Jun 12, 2008
- Shigeru Shinohara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Volume control apparatus of radial piston pump or motor and positio...
- Publication number 20040101417
- Publication date May 27, 2004
- Komatsu Ltd.
- Mitsuru Arai
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Radial type hydraulic machine
- Publication number 20040065192
- Publication date Apr 8, 2004
- Komatsu Ltd.
- Toshiyuki Akasaka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Mitsuru Arai

Person

Patents Grantslast 30 patents

Hydraulic pump-motor

Hydraulic piston pump with a balance valve

Hydraulically actuated breaker with lost-motion prevention device

Counter balance valve

Hydraulic ramming apparatus

Counter balance valve

Emergency stop apparatus for hydraulic speed change gear

Hydraulic braking apparatus having two safety valves

Swash plate angle changing apparatus for a piston pump/motor of swa...

Patents Applicationslast 30 patents

HYDRAULIC PUMP-MOTOR

Hydraulic Piston Pump

Volume control apparatus of radial piston pump or motor and positio...

Radial type hydraulic machine