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| No | Registration No | IP Title | Owner | Remarks |
|---|---|---|---|---|
| 1 | 10-1229571 | Sensor calibration system and method | Yang, Gang-seok | Republic of Korea |
| 2 | 10-2254962 | Apparatus and method for measuring flow by direct transmission and reception using ultrasonic wave | Yang, Gang-seok | Republic of Korea |
| 3 | 10-2359849 | MEMS Composite sensor for minimization of area and Ultrasonic flowmeter having the same | Yang, Gang-seok | Republic of Korea |
| 4 | 40-1756535 | trade mark | Yang, Gang-seok | Republic of Korea |