Assignee
Inventors
- Yong Chul Kim (114 patents)
- Si Wouk Kim (1 patents)
- Tae-Sung Kim (173 patents)
- Sang Kook Lee (23 patents)
- Jae Il Kim (167 patents)
- Jung-Hoon Yoon (15 patents)
- Sang-Gun Ahn (1 patents)
- Myoung Ju Moon (1 patents)
US Patent 7572923 · Granted Aug 11, 2009