Tomofumi Ishino

Follow

Person

Chita, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tunnel excavator with S-shaped soil plate
- Patent number 6,305,754
- Issue date Oct 23, 2001
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Toshiaki Uehara
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel excavator with crawler drive and roof support bearing frames
- Patent number 6,206,478
- Issue date Mar 27, 2001
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Toshiaki Uehara
- E21 - EARTH DRILLING MINING