Hiromitsu Yamamoto

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Minato-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Auxiliary float of floating structure and method for remodeling flo...
- Patent number 8,025,020
- Issue date Sep 27, 2011
- IHI Marine United Inc.
- Tetsuya Yasuda
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Laser boring method and system
- Patent number 6,870,128
- Issue date Mar 22, 2005
- Japan Drilling Co., Ltd.
- Toshio Kobayashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dual hoist derrick system for deep sea drilling
- Patent number 6,217,258
- Issue date Apr 17, 2001
- Japan Drilling Co., Ltd.
- Hiromitsu Yamamoto
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Auxiliary float of floating structure and method for remodeling flo...
- Publication number 20090183666
- Publication date Jul 23, 2009
- IHI Marine United Inc.
- Tetsuya Yasuda
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Laser boring method and system
- Publication number 20030226826
- Publication date Dec 11, 2003
- Toshio Kobayashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR