Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276905 | Blank mask and photomask using the same | GeonGon LEE, Inkyun SHIN, Suk Young CHOI, Hyung Joo Lee, Sung Hoon SON +1 more | 2025-04-15 |
| 10075566 | Packet transmitter, interface device and computing system including the same | Jaechol Lee, Eung Sup Kim, Sang Heon Lee, Woon Yong JO | 2018-09-11 |
| 9091337 | Reducer of electric power steering apparatus | Bong Sung Ko, Seung Yong Pyo, Sung Jae Yoo | 2015-07-28 |
| 8905185 | Reducer of electric power steering apparatus | Bong Sung Ko, Seung Yong Pyo, Sung Jae Yoo | 2014-12-09 |
| 8881852 | Pushable frame with generators that convert kinetic energy into electric energy | — | 2014-11-11 |
| 8648542 | Ballast circuit for LED lamp | Duk Young Kim | 2014-02-11 |
| 7691548 | Method of manufacturing mask | — | 2010-04-06 |