Assignee
Inventors
- Chong-Chul Chai (217 patents)
- Oh-Kyong Kwon (178 patents)
- Nack-Hyeon KEUM (10 patents)
- Kyong Hwan Oh (23 patents)
- Young Wan Seo (52 patents)
- Yong-Koo Her (31 patents)
- In-Jae Hwang (28 patents)
US Patent 10733938 · Granted Aug 4, 2020