Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12353335 | Semiconductor device and method of operating the same | Sohyun Park, Yunho Youm | 2025-07-08 |
| 12166903 | Computing device in a trusted computing system and attestation method thereof | Seungho Lee, Sohyun Park, Yunho Youm | 2024-12-10 |
| 12105965 | Storage device and storage system including the same | Seungho Lee, Yunho Youm | 2024-10-01 |
| 10677156 | Variable compression ratio apparatus | — | 2020-06-09 |
| 10533505 | Variable compression ratio apparatus | — | 2020-01-14 |
| 10526962 | Variable compression ratio apparatus | Won Gyu Kim, Gyu Han Hwang | 2020-01-07 |
| 10487729 | Variable compression ratio apparatus | — | 2019-11-26 |
| 10450949 | Variable compression ratio engine | — | 2019-10-22 |
| 10408255 | Variable compression ratio apparatus | Won Gyu Kim | 2019-09-10 |
| 10309264 | Roller finger follower | Younghong Kwak | 2019-06-04 |
| 10260410 | Variable compression ratio device and control method thereof | Won Gyu Kim | 2019-04-16 |
| 10087829 | Variable compression ratio device | Won Gyu Kim, Gyu Han Hwang | 2018-10-02 |
| 10024232 | Variable compression ratio apparatus | Dae Sung Kim | 2018-07-17 |
| 10006482 | Variable compression ratio apparatus | Won Gyu Kim | 2018-06-26 |
| 9995214 | Variable compression ratio device | — | 2018-06-12 |
| 9874121 | Variable valve lift apparatus | Young Hong Kwak | 2018-01-23 |
| 9816409 | Variable valve lift apparatus | Gee Wook Shin, Won Gyu Kim, Gyu Han Hwang, Young Hong Kwak, Yoonsik Woo | 2017-11-14 |
| 9689282 | Variable valve lift apparatus | Won Gyu Kim, Young Hong Kwak, Gee Wook Shin | 2017-06-27 |
| 9670848 | Variable compression ratio engine | Young Hong Kwak | 2017-06-06 |
| 9587531 | Variable valve lift apparatus | Won Gyu Kim, Young Hong Kwak | 2017-03-07 |
| 9556763 | Variable valve lift apparatus | Young Hong Kwak, Won Gyu Kim, Gyu Han Hwang, Jin Hwa Kim, Gee Wook Shin +1 more | 2017-01-31 |
| 9470144 | Variable compression ratio engine | Won Gyu Kim | 2016-10-18 |
| 9447708 | Electro-hydraulic valve train | — | 2016-09-20 |
| 9447739 | Variable compression ratio engine | Won Gyu Kim, Eun Ho Lee, Young Hong Kwak, Yoonsik Woo | 2016-09-20 |
| 9441539 | Variable compression ratio apparatus | Won Gyu Kim | 2016-09-13 |