Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11212616 | Bonding structure of diaphragm for receiver | Ji Hoon Kim, Young Woo Kim, Yong Ju Ji, Chan Ho Jeong | 2021-12-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11212616 | Bonding structure of diaphragm for receiver | Ji Hoon Kim, Young Woo Kim, Yong Ju Ji, Chan Ho Jeong | 2021-12-28 |