Assignee
Inventors
- Chang Hak Choi (75 patents)
- Chang Hoon Kim (108 patents)
- Sang Min Youn (3 patents)
- Kwang Hee Nam (14 patents)
- Ki Myoung Yun (9 patents)
- Hyung Joon Jeon (22 patents)
- Jong Hoon Yoo (11 patents)
US Patent 9023747 · Granted May 5, 2015