Assignee
Inventors
- Duk-Jin Lee (28 patents)
- Nam Seok Baik (7 patents)
- Jang-Seok Ma (19 patents)
- Jung Hee Son (4 patents)
- Gyeong-Im Lee (6 patents)
- Jung Chul SEO (2 patents)
- Seok-il Yoon (11 patents)
- Chan Hee Lee (36 patents)
US Patent 9874666 · Granted Jan 23, 2018