Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10760526 | Piston for internal combustion engine | Jun Kui YANG, Kwan Ho RYU, Sang Hyuk JUN, In Cheol Yoo, Jang-Ik Park | 2020-09-01 |
| 10454365 | Apparatus and method for controlling pulse width modulation switching frequency | Dong Hwi Lim, Hyun Doo HWANG | 2019-10-22 |
| 10100777 | Piston for internal combustion engine, and cooling channel core | In Cheol Yoo, Sang Hyuk JUN, Jeong Keon LEE, Kwan Ho RYU, Jun Kui YANG | 2018-10-16 |
| 9595523 | Semiconductor integrated circuit devices | Young-Chang Kim, Dong Geon Kim | 2017-03-14 |
| 9318486 | Semiconductor integrated circuit devices | Young-Chang Kim, Dong Geon Kim | 2016-04-19 |
| 8941243 | Semiconductor device and method of manufacturing thereof | — | 2015-01-27 |
| 7457058 | Optical element holder and projection exposure apparatus having the same | Jung-hyeon Lee, Young-Koog Han, Kwang-Sub Yoon, Si-hyeung Lee | 2008-11-25 |