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About us Standards/Patents

About us

Standards/Patents

Patents
Country Patent Title Patent No.
Korea Material Yield Strength Directionality Evaluation System Using Indentation Testing and Surface Displacement Analysis 10-2521067
Portable Calibration Tester with Shielded Measuring Device 10-1727504
Fracture Toughness Measurement Method Using Continuous Indentation Testing 10-1707492
Portable Testing Device Fixture (Utility Model) 20-048209
Surface Adhesion Strength Evaluation Method 10-1685507
Indentation Tester 10-1670760
Portable Testing Device 10-1670762
Portable Testing Device Fixture 10-1628705
Portable Surface Inspection and Electro-polishing Device 10-1531953
Residual Stress Evaluation Method and Principal Stress Evaluation Method Using Instrumented Indentation Testing 10-1471938
Residual Stress Evaluation Method Using Instrumented Indentation Testing 10-1373059
Yield Strength Calculation Method and Tensile Strength Calculation Method Using Instrumented Spherical Indentation Testing Variables 10-1407405
Evaluation Method for Non-Isotropic Residual Stress Using Instrumented Indentation Testing 10-1152323
Yield Strength Determination Method Using Continuous Indentation Testing 10-0384732
Tensile Strength Determination Method Using Continuous Indentation Testing 10-0364112
Specimen Support for Tensile Testing Using Small Specimens 10-0408703
Adhesion Strength Evaluation Specimen and Evaluation Method for Adhesion Strength 10-0404659
Method for Determining Virtual Work-Hardening Index, Stress Coefficient, Yield Strength, and Tensile Strength of Materials with Linear Work-Hardening Phenomena Using Continuous Indentation Testing 10-0643193
Residual Stress Measurement Method Using Continuous Indentation Testing 10-0965226
Instrumented Indentation Tester with Built-in Microcontroller and Residual Stress Measurement Method Using Same 10-1117661
Indentation Impact Tester 10-1981275
Stress Ratio and Residual Stress Evaluation System Using Indentation Surface Displacement Analysis 10-2257004
Instrumented Indentation Tester 10-2031197
Method for Calculating Yield Strength and Tensile Strength of Work-Hardened Materials Using Instrumented Spherical Indentation Testing Variables 10-1407405
Indentation Testing Method Considering Load Cell Deformation 10-2031195
Japan Evaluation of Non-Isotropic Residual Stress Using Instrumented Indentation Testing 5017600
Fracture Toughness Measurement Method Using Continuous Indentation Testing 4784774
China Portable Surface Inspection and Electro-polishing OP15003CN
Fracture Toughness Measurement Method Using Continuous Indentation Testing 1815229
Russia Residual Stress Evaluation Method Using Instrumented Indentation Testing and Computer Program Recorded on a Medium, and an Indentation Tester Performing Instrumented Indentation Testing Upon Execution of the Program 2611078
USA Residual Stress Measurement Method Using Continuous Indentation Testing 7,472,603
Fracture Toughness Measurement Method Using Continuous Indentation Testing 7,487,051
Indentation Testing Method Considering Load Cell Deformation 11,921,089
Evaluation Method for Non-Isotropic Residual Stress Using Instrumented Indentation Testing 8,214,162
Fracture Toughness Measurement Method Using Continuous Indentation Testing 9,702,798
Europe Fracture Toughness Measurement Method Using Continuous Indentation Testing 1815229
Residual Stress Measurement Method Using Continuous Indentation Testing 1836473
Evaluation Method for Non-Isotropic Residual Stress Using Instrumented Indentation Testing 2118635
Residual Stress Evaluation Method Using Instrumented Indentation Testing and Computer Program Recorded on a Medium, and an Indentation Tester Performing Instrumented Indentation Testing Upon Execution of the Program 2952866