Kenji Otani

Large-depth underground drainage facility and method of running same

Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit

Underground drainage facility and operation method therefor

Drainage water pumping station and method for operating the same

Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit, and method of manufacturing the bearing unit

Drainage pump and a hydraulic turbine incorporating a bearing member, and a method of manufacturing the bearing member

Expert System for Lineament Extraction from Optical Sensor Data

Draining pump system and drainage preference operating method therefor

Drainage distribution amount determining method and drainage system

Carton box for outer packaging