Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9788150 | Method for managing disaster and electronic device thereof | — | 2017-10-10 |
| 9613508 | Security monitoring apparatus and method using correlation coefficient variation pattern of sound field spectrum | Sung Q Lee | 2017-04-04 |
| 9594163 | Security and surveillance system and method | Sung Q Lee | 2017-03-14 |