Assignee
Inventors
- Teock Hyeong Cho (2 patents)
- Gue Hyun Jung (2 patents)
- Yong Cheol Lee (4 patents)
- Young Sik Kim (254 patents)
- Dal-Heun Shin (2 patents)
- O Jun Kwon (12 patents)
- Duck Joo Lee (5 patents)
- Dong Ho Seo (1 patents)
US Patent 11193494 · Granted Dec 7, 2021