Keiji Yanagihara

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control device for hydraulically driven fan
- Patent number 7,921,816
- Issue date Apr 12, 2011
- Komatsu Ltd.
- Kozo Okuda
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Control Device for Hydraulically Driven Fan
- Publication number 20090145376
- Publication date Jun 11, 2009
- Komatsu Ltd.
- Kozo Okuda
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING