Tetsuya Hamakawa

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Toshima-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Girder block lifting method and jack-up stage used therefor
- Patent number 8,177,080
- Issue date May 15, 2012
- Hitachi Plant Technologies, Ltd.
- Kazuhito Nakamitsu
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Girder block lifting method and jack-up stage used therefor
- Publication number 20100000955
- Publication date Jan 7, 2010
- Hitachi Plant Technologies, Ltd.
- Kazuhito Nakamitsu
- B66 - HOISTING LIFTING HAULING