Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9883335 | Handheld device and method for measuring quality of optical link | Sung Chang Kim, Jae In KIM, Hark Yoo, Dong Soo Lee | 2018-01-30 |
| 9860011 | Method and apparatus for selecting wavelength in hybrid passive optical network system | Hark Yoo, Sung Chang Kim, Dong Soo Lee | 2018-01-02 |