Assignee
Inventors
- Chang-Rak Yoon (7 patents)
- Hak Cheol Kim (10 patents)
- Ki Jung Lee (5 patents)
- Kyung-Ok Kim (7 patents)
- Seong Ho Lee (56 patents)
- Jae-Chul Kim (37 patents)
- Yoon-Seop Chang (11 patents)
- Sung Woong Shin (15 patents)
US Patent 8670614 · Granted Mar 11, 2014