Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11234066 | Earphone | Ju Heon Ko, Byung Il Min, Yun Uk Ha, Jeong Kwon Park | 2022-01-25 |
| 11218789 | Microphone-mounted earphone | Ju Heon Ko, Jong Won Lee, Byung Il Min, Yun Uk Ha, Jeong Kwon Park | 2022-01-04 |
| 11218793 | Earphone including tuning means | Ju Heon Ko, Byung Il Min, Jeong Kwon Park | 2022-01-04 |
| 11202139 | Speaker unit for earphone | Ju Heon Ko, Byung Il Min, Yun Uk Ha, Jeong Kwon Park | 2021-12-14 |
| 11102584 | Speaker unit for earphone | Ju Heon Ko, Byung Il Min, Yun Uk Ha, Jeong Kwon Park | 2021-08-24 |
| 11026012 | Earphone including tuning means | Ju Heon Ko, Byung Il Min, Jeong Kwon Park | 2021-06-01 |