Assignee
No assignee recorded.
Inventors
- Mun-kyeong Hwang (4 patents)
- Tai-Kyong Song (32 patents)
- Yong-sup Park (15 patents)
- Hyun-taek Lee (10 patents)
- Kang-won Jeon (7 patents)
- Sua Bae (6 patents)
US Patent 10725158 · Granted Jul 28, 2020
No assignee recorded.