Patents by Inventor Dong Min Kwak

Dong Min Kwak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Composite optical device for sighting targets and measuring distances
    Patent number: 9200869
    Abstract: The present invention aims to provide a composite optical device which includes the day-time optical device, thermal imaging optical device, laser application device and displaying device while reducing the volume and weight, further comprising attenuator that can control the amount of light for easy display on the display. The present invention also aims to provide a composite optical device with enhanced efficiency of transmitting laser and easy operability by installing the attenuator at an appropriate location.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: December 1, 2015
    Assignee: Agency for Defense Development
    Inventors: Dong Won Yang, Dong Min Kwak, Joo Hong Yoon, Kyung Mok Kang
  • COMPOSITE OPTICAL DEVICE FOR SIGHTING TARGETS AND MEASURING DISTANCES
    Publication number: 20120044475
    Abstract: The present invention aims to provide a composite optical device which includes the day-time optical device, thermal imaging optical device, laser application device and displaying device while reducing the volume and weight, further comprising attenuator that can control the amount of light for easy display on the display. The present invention also aims to provide a composite optical device with enhanced efficiency of transmitting laser and easy operability by installing the attenuator at an appropriate location.
    Type: Application
    Filed: May 18, 2010
    Publication date: February 23, 2012
    Inventors: Dong Won Yang, Dong Min Kwak, Joo Hong Yoon, Kyung Mok Kang