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Masayuki Tajima
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Oyama-shi, JP
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Patents Grants
last 30 patents
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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
Oil filter and valve device
Patent number
8,905,244
Issue date
Dec 9, 2014
Komatsu Ltd.
Shuuji Hori
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hydraulic servo-drive device and variable turbo-supercharger using...
Patent number
8,770,087
Issue date
Jul 8, 2014
Komatsu Ltd.
Daisuke Kozuka
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Patents Applications
last 30 patents
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
OIL FILTER AND VALVE DEVICE
Publication number
20130153488
Publication date
Jun 20, 2013
Komatsu Ltd.
Shuuji Hori
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HYDRAULIC SERVO-DRIVE DEVICE AND VARIABLE TURBO-SUPERCHARGER USING...
Publication number
20110011077
Publication date
Jan 20, 2011
Daisuke Kozuka
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES