Assignee
Inventors
- Byong Deok Choi (63 patents)
- Yong Sang Yoo (3 patents)
- Yong Duck Kim (20 patents)
- Jeongmin Moon (16 patents)
- Soonshin Jung (3 patents)
- Moonbong Song (11 patents)
- Kiseok Chang (13 patents)
- Jihwan Jung (11 patents)
US Patent 11783617 · Granted Oct 10, 2023