Wataru Naitou

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Shield tunneling method and shield tunneling machine
- Patent number 7,040,712
- Issue date May 9, 2006
- Taisei Corporation
- Takeshi Sakae
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Shield tunneling method and shield tunneling machine
- Publication number 20040093768
- Publication date May 20, 2004
- Takeshi Sakae
- E21 - EARTH DRILLING MINING