Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11482653 | Light emitting diode apparatus | Dong Kuk LEE, Dae-Young Lee, Moon Sub Kim, Sung Jin Ahn, Seung Hwan Lee +1 more | 2022-10-25 |
| 11219944 | Casting method for forming screw hole on inclined plane of casting, and casting integrated with insert having screw thread | Cheol-Ung Lee, Yoon-Ki Lee, Jin Yong Kim, Jae-Young An | 2022-01-11 |