2017
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11-23
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Established Dooribun Tech Co., Ltd. (Capital of KRW 10 million)
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2018
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1-22
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2 applications for patents on core technologies
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5-18
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Patent registration of emergency monitoring system using dual pulse
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5-29
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capital increase to KRW 100 million won
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CEO Choi Hyun-Su takes office
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2019
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1-18
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Development success of optical cable sensor using dual pulse (Proto type VS)
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1-25
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Patent registration of emergency monitoring system using optical fiber
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3-25
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capital increase to KRW 200 million won
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7-13
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capital increase to KRW 500 million won
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Headquarter to Cheongju, North Chungcheong Province
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2019
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9-25
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Participating in the Korea Safety Industry Fair (SOC Integrated Technology Market booth
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11-10
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"Light Signal-Based Monitoring System and Monitoring Methods" Patent Application
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12-05
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Accreditation of "Venture Company Verification" (Technical Assurance Fund)
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