Kei SATO

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Tsuchiura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Construction machine
- Patent number 11,448,115
- Issue date Sep 20, 2022
- Hitachi Construction Machinery Co., Ltd.
- Koji Seo
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
WORK VEHICLE
- Publication number 20250207353
- Publication date Jun 26, 2025
- Hitachi Construction Machinery Co., Ltd.
- Ryu NARIKAWA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WORK MACHINE
- Publication number 20250059725
- Publication date Feb 20, 2025
- Hitachi Construction Machinery Co., Ltd.
- Tadashi KOTANI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WORK MACHINE
- Publication number 20240376687
- Publication date Nov 14, 2024
- Hitachi Construction Machinery Co., Ltd.
- Ryu NARIKAWA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CONSTRUCTION MACHINE
- Publication number 20210003062
- Publication date Jan 7, 2021
- Hitachi Construction Machinery Co., Ltd.
- Koji SEO
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES