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Shinobu Nagura
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Oyama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Excavator and method of controlling excavator
Patent number
12,168,857
Issue date
Dec 17, 2024
Komatsu Ltd.
Wataru Sumino
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hydraulic system of excavator, excavator, and method for controllin...
Patent number
12,084,837
Issue date
Sep 10, 2024
Komatsu Ltd.
Wataru Sumino
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hydraulic system
Patent number
11,927,205
Issue date
Mar 12, 2024
Komatsu Ltd.
Yuichi Hishinuma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Spool valve, operation device, and work vehicle
Patent number
10,422,437
Issue date
Sep 24, 2019
Komatsu Ltd.
Satoshi Ishikawa
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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
Fluid pressure transmitting apparatus
Patent number
6,666,023
Issue date
Dec 23, 2003
Komatsu Ltd.
Shinobu Nagura
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Displacement control device for hydraulic pump and brake control de...
Patent number
6,564,549
Issue date
May 20, 2003
Komatsu Ltd.
Shinobu Nagura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Actuator control device and bucket posture control device for hydra...
Patent number
6,561,751
Issue date
May 13, 2003
Komatsu Ltd.
Naoki Ishizaki
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Pressure reducing valve
Patent number
6,530,390
Issue date
Mar 11, 2003
Komatsu Limited
Shinobu Nagura
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
EXCAVATOR AND METHOD OF CONTROLLING EXCAVATOR
Publication number
20240117600
Publication date
Apr 11, 2024
Komatsu Ltd.
Wataru Sumino
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
HYDRAULIC SYSTEM OF EXCAVATOR, EXCAVATOR, AND METHOD FOR CONTROLLIN...
Publication number
20240093467
Publication date
Mar 21, 2024
Komatsu Ltd.
Wataru Sumino
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
HYDRAULIC SYSTEM
Publication number
20230113111
Publication date
Apr 13, 2023
Komatsu Ltd.
Yuichi Hishinuma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
SPOOL VALVE, OPERATION DEVICE, AND WORK VEHICLE
Publication number
20180163888
Publication date
Jun 14, 2018
Komatsu Ltd.
Satoshi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
Fluid pressure transmitting apparatus
Publication number
20020073700
Publication date
Jun 20, 2002
Shinobu Nagura
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Pressure reducing valve
Publication number
20020000245
Publication date
Jan 3, 2002
Shinobu Nagura
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Displacement control device for hydraulic pump and brake control de...
Publication number
20010049318
Publication date
Dec 6, 2001
Shinobu Nagura
B60 - VEHICLES IN GENERAL