Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |