Assignee
Inventors
- Chang Hwa Park (20 patents)
- Chi Seong Kim (10 patents)
- Eun Heay Lee (2 patents)
- Yo Han SONG (3 patents)
- Gun Hwi Hyung (2 patents)
- Jae Heun LEE (5 patents)
- Deok-Man Kang (8 patents)
- Jin Oh Park (19 patents)
US Patent 11490503 · Granted Nov 1, 2022