Yuji Kumagai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flexible membraneous weir
- Patent number 5,388,928
- Issue date Feb 14, 1995
- Bridgestone Corporation
- Yuji Kumagai
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
HOSE REMAINING LIFETIME PREDICTION METHOD AND HOSE REMAINING LIFETI...
- Publication number 20220316979
- Publication date Oct 6, 2022
- BRIDGESTONE CORPORATION
- Taisuke KURODA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING