Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10080075 | Portable sound equipment | Hyunsun Yoo, Youchang Kim, Jihye Kim | 2018-09-18 |
| 10034074 | Portable sound equipment | Donghyun Kim, Seolyong Shin, Shin Han, Youchang Kim, Hyunsun Yoo +5 more | 2018-07-24 |
| 9973842 | Portable sound equipment | Donghan Kim, Ehwan Cho | 2018-05-15 |
| 9918155 | Portable sound equipment | Donghyun Kim, Seolyong Shin, Shin Han, Youchang Kim, Hyunsun Yoo +5 more | 2018-03-13 |