Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10921357 | Method and apparatus for measuring resistance of light emitting diode | Jong-In Shim, Dong Soo Shin | 2021-02-16 |
| 9945898 | Method and device for measuring internal quantum efficiency of an optical element | Jong-In Shim, Hyun Don Jung | 2018-04-17 |