List of patents

As of February 28, 2026

Borehole

• Borehole core sampling device equipped with core bottom end cutting mechanism
  Registration Number:5986764
• Borehole core sampling device equipped with core rotation prevention mechanism
  Registration Number:6108675
• Hydraulic fracturing test equipment
  Registration Number:6303132
• Sampling method by HQCS-MS
  Registration Number:6296451
• Soil sampling system and its sampling method
  Registration Number:6666278
• Method of extracting cores from bedrock
  Registration Number:7085734

Borehole Testing

• Borehole fixation device
  Registration Number:5348775
• Seismic observation wells, methods of installing seismometers in seismic observation wells
  Registration Number:5302255
• Methods of installing seismometers in seismic observation wells
  Registration Number:5302151

On-Site Measurement

• Drive-in type water level observation device
  Registration Number:5044852
• Radioactivity measuring device and radioactivity measuring method
  Registration Number:6782879
• Geotechnical surveying equipment, tools for geotechnical surveying equipment, and methods using them
  Registration Number:7303145
• Method for shallow landslide detection and surface inclinometer used for the method
  Registration Number:7301485
• Method for rock crushing management and sensors used for the method
  Registration Number:7227300

Geophysical Exploration

• [Offshore microtremor array] Method of position measurement for microtremor sensors installed in the offshore area
  Registration Number:6766122
• Method of system synchronization for vehicle-mounted ground penetrating radar measurement devices
  Registration Number:5126911
• Minesweeping magnetic field detector and minesweeper
  Registration Number:5084472
• Geological exploration equipment
  Registration Number:5778527
• Hybrid surface wave exploration method and hybrid surface wave exploration system
  Registration Number:6531934
• Exploration method of underwater ground
  Registration Number:6793505
• Geological exploration method
  Registration Number:6902342
• Seafloor tremor probe
  Registration Number:7082643

Indoor Testing

• Triaxial test equipment (smart triaxial)
  Registration Number:6063828
• Complex permittivity measuring device and complex permittivity measuring method
  Registration Number:6981847
• Permittivity estimation device and permittivity estimation method (2018)
  Registration Number:6896663
• Permittivity estimation device and permittivity estimation method (2020)
  Gazette of Unexamined Patent Application 2021-162555
• Evaluation method and evaluation device for equivalent sampling signal
  Gazette of Unexamined Patent Application 2022-170971

Sounding

• iPDC with improved Nd value accuracy (intelligent PDC)
  Registration Number:6256880

Non-Destructive Diagnostics

• Ground anchor tension non-destructive measurement method by vibration method
  Registration Number:6283439
• Tree diagnosis image generation device and tree diagnosis image generation method
  Registration Number:7000175
• Tree diagnostic device and tree diagnostic method
  Registration Number:7000174

Information System

• Operation control system, operation control method and operation control program
  Registration Number:6609848
• Monitoring method and monitoring system for landslide disaster
  Registration Number:7187730