Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12382213 | Flextensional low frequency sound projector | Yub Je, Yo-Han Cho, Jeong-Min Lee, Hee-Seon Seo | 2025-08-05 |
| 12191510 | Rechargeable battery | Sei Woon Oh, Sung-Hwan Cho, Sun Hwak Woo, Jinseo Park | 2025-01-07 |