Hirohiko Obayashi

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Kobe-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tunnel excavating machine and excavating method
- Patent number 6,595,724
- Issue date Jul 22, 2003
- Mitsubishi Heavy Industries, Ltd.
- Shinichi Konda
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Tunnel excavating machine and excavating method
- Publication number 20020031403
- Publication date Mar 14, 2002
- Shinichi Konda
- E21 - EARTH DRILLING MINING