Assignee
Inventors
- Unknown
- Yong Tack Lee (1 patents)
- Myeong Sik Yoon (4 patents)
- Hye Suk Hong (1 patents)
- Il Hwan Cho (31 patents)
- Si Beum Lee (1 patents)
- Seong Cheol Bang (1 patents)
- Da Won Oh (2 patents)
- Min Kyoung Lee (7 patents)
US Patent 8637669 · Granted Jan 28, 2014