Toshihiko Bessho

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Main-ancillary tunnel excavator
- Patent number 5,634,692
- Issue date Jun 3, 1997
- Taisei Corporation
- Kenichi Kaneko
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for continuously excavating shaft and tunnel
- Patent number 5,051,032
- Issue date Sep 24, 1991
- Taisei Corporation
- Toshihiko Bessho
- E21 - EARTH DRILLING MINING