Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315964 | Method for marking oil products and marker composition for oil products | Young-Kwan Lim, Hee-Yeon Baek, Kyoung-Heum Lee, Seung Hyun Ryu, Jong-Ryeol Kim +2 more | 2019-06-11 |
| 10267632 | Non-exposure supplied fuel quantity testing device and method of vehicle-mounted type | Seung Hyun Ryu, Jun-Deog Park, Young Cheol Song, Seung Woo Lee, Seung Heon Lee | 2019-04-23 |