Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10699686 | Sound-permeable metal plate and sound-absorbing composite plate using same | Jong-hyun Ryu | 2020-06-30 |
| 10682690 | Centrifugal casting apparatus for different materials | Hyo-Moon Joo, Ji Yong Lee, Yoon-Ki Lee, Young-chan Kim, Cheol-Ung Lee +4 more | 2020-06-16 |
| 10654424 | Composite panel for sound absorption and sound insulation | Jung Hyeok Lim, Sung Il Choi, Ki Hoon SON | 2020-05-19 |