Yoshihiro SHIRAKAWA

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Tsukuba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic excavator
- Patent number 11,891,779
- Issue date Feb 6, 2024
- Hitachi Construction Machinery Co., Ltd.
- Kohei Ogura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Work Machine
- Publication number 20230304262
- Publication date Sep 28, 2023
- Hitachi Construction Machinery Co., Ltd.
- Tarou AKITA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Hydraulic Excavator
- Publication number 20210348366
- Publication date Nov 11, 2021
- Hitachi Construction Machinery Co., Ltd.
- Kohei OGURA
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL