Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10448141 | Earphone | Yonghyuk Na, Jaeyoung Lee, Taehoon Yoo, Shin Han | 2019-10-15 |
| 10433061 | Ear unit and portable sound device | Yonghyuk Na, Jaeyoung Lee, Taehoon Yoo, Shin Han | 2019-10-01 |
| 10063955 | Portable electronic equipment | Sangwoo Seo, Seolyong Shin, Hyunsun Yoo | 2018-08-28 |
| 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 |