Patents

Drilling survey

Lightweight boring machine
4014975
Apparatus for boring core sampling with a core lower cutting mechanism
5986764
Apparatus for boring core sampling with a core rotation preventing mechanism
6108675
Hydraulic fracturing testing equipment
6303132
Monitoring system for sampling ground sample and sampling method using the system
6296451
Sampling system for ground sample and sampling method using the system
JP2018131737A

Testing using borehole

Q-value measuring method using vertical array seismometer
5517258
Fixing apparatus for installing observation equipment into borehole
5348775
Earthquake observation well and method for installing seismometer therein
5302255
Method for installing seismometer in earthquake observation well
5302151
Method and device for generating expanded image of borehole wall
4240369

In-situ measurement

Rock mass stability evaluation system and method by using non-contact vibration sensor
5199160
Driven water level observation device
5044852
Method for diagnosing deterioration of waterproof layer on building rooftop
4442808
Management and monitoring method for waste disposal site
4397024
River bed scour monitoring method
4375676
Ground surface displacement measurement method using synthetic aperture radar
3987451
Method and device for concrete inspection using electromagnetic wave
3848641
Bolt type strain detector
5487441
Evaluation method of collapse risk of unstable rock block
5801696
Limit type displacement detector
6260901
Monitoring system for avalanche or rock fall
6352329
Apparatus and method for radioactivity measurement
JP2017044697A
Tunnel measurement system
JP2019020348A

Geophysical exploration

System synchronization method for in-vehicle ground penetrating radar system
5126911
Detection system of magnetic field sweeping for minesweeper
5084472
Deterioration diagnosis method for concrete structures
4936387
Crosshole seismic tomography method using vibrator source
4632312
Exploration system (noise removal method in airborne electromagnetic survey)
4498875
Seismic vibrator for sonic logging
4315316
Helicopter-towed airborne system
4222512
Surface wave method using multi-channel land streamer cable
4093944
Geological imaging equipment for TBM-drives TBM* (*Tunnel boring machine)
5778527
Apparatus and method for seafloor exploration
5952172
Decentralized exploration system to obtain underground electrical properties and decentralized exploration method using the system
6083251
Efficient resistivity measurement method by multi-point simultaneous current transmission system using pseudo-noise signal waveform
US 8,148,991 B2
Method and system for hybrid surface wave exploration
6531934
Method for underwater subsurface exploration
JP2018040742A
Apparatus and method for geological exploration
JP2018063124A
Device and method of measuring dielectric constant
JP2019148437A

Soil purification

In-Situ purifying method of contaminated soil
4428638

Laboratory testing

Method and system for water permeability test using two-chamber type syringe pump
4371370
Triaxial testing equipment
6063828
Device and method of measuring complex dielectric permittivity
JP2019086409A

Sounding

Method and apparatus for soil investigation by measuring excess pore water pressure at the time of percussive penetration, and apparatus for use therein
4458465
Method and equipment for ground survey
6256880
Method and equipment for ground survey (II)
6238137

Non-destructive diagnosis

Instrument and method for measuring residual tencile force of ground anchor
6283439
Device and method of imaging trees for inspection
JP2019128225A
Device and method for tree inspection
JP2019128224A

Bio purification

Flexible culture bag and anaerobic culture test apparatus using the bag
4570032

Information systems

Erosion control information processing system, erosion control information processing method, and erosion control processing program
5639130
System for displaying lane information data
5904080
Digital image upload system
6553002
System, method and program for operation management
6609848
Report aggregation system
6621730
Safety confirmation system
JP2018022203A