Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11287015 | Multi-speed transmission for motor | Do Hwan Kim, Hyung-Bae Park, Joon Seo Kim, Eung Sik Suk, Young Shik Jeon +6 more | 2022-03-29 |
| 10793223 | Bicycle transmission hub | Do Hwan Kim | 2020-10-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11287015 | Multi-speed transmission for motor | Do Hwan Kim, Hyung-Bae Park, Joon Seo Kim, Eung Sik Suk, Young Shik Jeon +6 more | 2022-03-29 |
| 10793223 | Bicycle transmission hub | Do Hwan Kim | 2020-10-06 |