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  • Light Source Device Using RGB LEDs Patent
    Patent No. 10-1166474
    Light Source Device Using RGB LEDs
  • Information Display Device for Machine Tools Patent
    Patent No. 10-1571421
    Information Display Device for Machine Tools
  • Downlight Lighting System Patent
    Patent No. 10-1729114
    Downlight Lighting System
  • Transmissive Optical Encoder Patent
    Patent No. 10-2054875
    Transmissive Optical Encoder
  • Sensor for Detecting Speed and Position of Gear Teeth in Machine Tool Patent
    Patent No. 10-2076186
    Sensor for Detecting Speed and Position of Gear Teeth in Machine Tool
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