Assignee
Inventors
- Hee Seouk Chung (24 patents)
- Hyun Sik Kim (144 patents)
- Deok Hwa Hong (37 patents)
- Se Jin Ko (14 patents)
- Byeong Cheon Lee (15 patents)
- Sang-Eon Park (31 patents)
- Seok-Hwan Hwang (139 patents)
US Patent 11148723 · Granted Oct 19, 2021