Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12219313 | Electronic device | Youngjin Ahn, Donghan Kim, Sungwon Kim, Junyoung Park, Obyoung Kang +1 more | 2025-02-04 |
| 10104463 | Wireless sound equipment | Donghan Kim, Jihye Choe, Jihye Kim | 2018-10-16 |
| 10034074 | Portable sound equipment | Donghyun Kim, Seolyong Shin, Shin Han, Youchang Kim, Hyunsun Yoo +5 more | 2018-07-24 |
| 9918155 | Portable sound equipment | Donghyun Kim, Seolyong Shin, Shin Han, Youchang Kim, Hyunsun Yoo +5 more | 2018-03-13 |