Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9910092 | Switch deterioration detection device and method | Sang Hoon Lee, Younghwan Kim, Chang-Hyun Sung | 2018-03-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9910092 | Switch deterioration detection device and method | Sang Hoon Lee, Younghwan Kim, Chang-Hyun Sung | 2018-03-06 |