Toshio Sumi

Follow

Person

Kodaira, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for controlling a travelling body so as to move f...
- Patent number 5,339,241
- Issue date Aug 16, 1994
- Kabushiki Kaisha Isekikaihatsu Koki
- Isao Fujimori
- G05 - CONTROLLING REGULATING
Information Patent Grant
Shield tunneling machine
- Patent number 4,655,493
- Issue date Apr 7, 1987
- Kabushiki Kaisha Iseki Kaihatsu Koki
- Toshio Sumi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shield tunneling machine
- Patent number 4,630,869
- Issue date Dec 23, 1986
- Kabushiki Kaisha Iseki Kaihatsu Koki
- Toshio Akesaka
- E21 - EARTH DRILLING MINING