Assignee
Inventors
- Jea Shik Shin (55 patents)
- In-sang Song (159 patents)
- Young Il Kim (242 patents)
- Duck Hwan Kim (77 patents)
- Chul Soo Kim (121 patents)
- Sang Uk Son (53 patents)
- Hyung Rak Kim (13 patents)
- Jae Chun Lee (20 patents)
US Patent 9735754 · Granted Aug 15, 2017