Joonyoung ROH

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Kasumigaura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Work machine
- Patent number 11,427,984
- Issue date Aug 30, 2022
- Hitachi Construction Machinery Co., Ltd.
- Joonyoung Roh
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Work machine
- Patent number 11,306,460
- Issue date Apr 19, 2022
- Hitachi Construction Machinery Co., Ltd.
- Satoshi Nakamura
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
WORKING MACHINE
- Publication number 20220170243
- Publication date Jun 2, 2022
- Hitachi Construction Machinery Co., Ltd.
- Joonyoung ROH
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Work Machine
- Publication number 20200283992
- Publication date Sep 10, 2020
- Hitachi Construction Machinery Co., Ltd.
- Satoshi NAKAMURA
- G01 - MEASURING TESTING
Information Patent Application
Work Machine
- Publication number 20200277753
- Publication date Sep 3, 2020
- Hitachi Construction Machinery Co., Ltd.
- Joonyoung ROH
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING