Assignee
Inventors
- Keum-koo Lee (44 patents)
- Ji-young Kwahk (51 patents)
- Seung-dong Yu (64 patents)
- Hyun-joo Oh (28 patents)
- Yeon-hee Roh (8 patents)
- Joon-hwan Kim (57 patents)
- Soung-min Yoo (3 patents)
- Min Jung Park (32 patents)
US Patent 10157191 · Granted Dec 18, 2018