Inventor
SANO SAKAE
JP3 patents
Patents
3 patentsUS4545702AOct 8, 1985
Boring-injection device, method for improving ground by means of the device and method for investigating ground state by means of the device
TOA GROUT KOGYO CO29 citations88
US4514112AApr 30, 1985
Method for injecting grouting agent and apparatus for conducting the method
TOA GROUT KOGYO CO24 citations78
US4403891ASep 13, 1983
Stabilizer for excavated surface
TOA GROUT KOGYO CO9 citations63