Tsuneo Inokawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ice-breaking apparatus for structure for use in icy waters
- Patent number 4,230,423
- Issue date Oct 28, 1980
- Mitsui Engineering & Shipbuilding Co., Ltd.
- Masanao Oshima
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Ice-breaking means for ships
- Patent number 4,198,917
- Issue date Apr 22, 1980
- Mitsui Engineering & Shipbuilding Co., Ltd.
- Masanao Oshima
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Ice-breaking apparatus for ships and barges for operation on icy wa...
- Patent number 4,152,999
- Issue date May 8, 1979
- Mitsui Engineering & Shipbuilding Co., Ltd.
- Masanao Oshima
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING