Assignee
Inventors
- Young-Ki Kim (145 patents)
- Young-Hun Lee (68 patents)
- Na-Leum Yoo (7 patents)
- Na Ri Park (29 patents)
- Soon-Rewl Lee (21 patents)
- Hong-Kyu Choi (13 patents)
- Yong-Chul Park (65 patents)
- Ick-Kyu Choi (26 patents)
US Patent 9893348 · Granted Feb 13, 2018