Assignee
Inventors
- Hyun-Chul Choi (39 patents)
- Soo-Jin Park (75 patents)
- Hyung-Jin Park (77 patents)
- Na-Gyeom Yoo (3 patents)
- Unknown
- Jae-Woong Chun (27 patents)
- Hyo-Sun Choi (3 patents)
- Soo Ji Hwang (43 patents)
US Patent 10540068 · Granted Jan 21, 2020