Masahito Yoshida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water disaster prevention water curtain forming apparatus
- Patent number 5,145,280
- Issue date Sep 8, 1992
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Toshimitsu Araki
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of controlling position of on-water water curtain device
- Patent number 5,081,582
- Issue date Jan 14, 1992
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Toshimitsu Araki
- G05 - CONTROLLING REGULATING