Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631717 | Planetary gear train for transmission of motor | — | 2017-04-25 |
| 9249876 | Planetary gear train for transmission of motor | — | 2016-02-02 |
| 8646561 | Assembling structure for wheel and hub of electric bicycle | Jaehyun Park | 2014-02-11 |