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Kasumigaura-shi, Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Construction machine
Patent number
11,027,674
Issue date
Jun 8, 2021
Hitachi Construction Machinery Co., Ltd.
Tomoya Murazumi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Exhaust gas purifying device of work machine
Patent number
10,865,680
Issue date
Dec 15, 2020
Hitachi Construction Machinery Co., Ltd.
Gen Yasuda
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
Exhaust Gas Purifying Device of Work Machine
Publication number
20200256230
Publication date
Aug 13, 2020
Hitachi Construction Machinery Co., Ltd.
Gen YASUDA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Construction Machine
Publication number
20200207288
Publication date
Jul 2, 2020
Hitachi Construction Machinery Co., Ltd.
Tomoya MURAZUMI
B60 - VEHICLES IN GENERAL