Masaaki Kubo

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Musashino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for digging and transporting soil and sand, stones and ro...
- Patent number 4,353,796
- Issue date Oct 12, 1982
- Mitsubishi Mining & Cement Co., Ltd.
- Masaaki Kubo
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method for digging and transporting material
- Patent number 4,261,119
- Issue date Apr 14, 1981
- Mitsubishi Mining & Cement Co., Ltd.
- Masaaki Kubo
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Dragline equipped with hopper means and loading means
- Patent number 4,256,342
- Issue date Mar 17, 1981
- Mitsubishi Mining & Cement Co., Ltd.
- Masaaki Kubo
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING