Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8517141 | Reducer of electric power steering apparatus | Young-sock Jung, Young Moon Park | 2013-08-27 |
| 6626765 | Universal joint shaft | — | 2003-09-30 |
| 5984354 | Energy absorbing steering system for automobiles | — | 1999-11-16 |