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Hideaki Itou
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Ibaraki, JP
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Patents Grants
last 30 patents
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Patent Grant
Work machine
Patent number
12,065,805
Issue date
Aug 20, 2024
Hitachi Construction Machinery Co., Ltd.
Teppei Saitoh
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Pilot valve assembly
Patent number
8,991,429
Issue date
Mar 31, 2015
Hitachi Construction Machinery Co., Ltd.
Mitsuhiro Yoshimoto
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
Work Machine
Publication number
20230366178
Publication date
Nov 16, 2023
Hitachi Construction Machinery Co., Ltd.
Teppei SAITOH
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
WORK MACHINE
Publication number
20230358014
Publication date
Nov 9, 2023
Hitachi Construction Machinery Co., Ltd.
Ryu NARIKAWA
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
PILOT VALVE ASSEMBLEY
Publication number
20110284785
Publication date
Nov 24, 2011
Mitsuhiro Yoshimoto
G05 - CONTROLLING REGULATING