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Ryohei FUKUCHI
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Tsukuba, Ibaraki, JP
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Patents Grants
last 30 patents
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Patent Grant
Locking system for a work machine
Patent number
11,041,290
Issue date
Jun 22, 2021
Hitachi Construction Machinery Co., Ltd.
Katsuaki Kodaka
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
Work Machine
Publication number
20240167250
Publication date
May 23, 2024
Hitachi Construction Machinery Co., Ltd.
Teruki IGARASHI
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Construction Machine
Publication number
20240150995
Publication date
May 9, 2024
Hitachi Construction Machinery Co., Ltd.
Ryohei FUKUCHI
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Work Machine
Publication number
20210079624
Publication date
Mar 18, 2021
Hitachi Construction Machinery Co., Ltd.
Katsuaki KODAKA
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING