Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10378927 | Direction detection device | Won Keun Cho, Jeong Han Kim, Bi Yi Kim, Hyun Gyu Park, In Hee Cho | 2019-08-13 |
| 10191206 | Light source circuit unit and lighting device comprising same | Man Hue Choi, Min Jae Kim, Bi Yi Kim, Se Woong NA, Hyun Gyu Park +1 more | 2019-01-29 |