Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11676463 | Doorbell system and security method thereof | Tak Won Cho, Seok Yong Yoon, Hee Kyung Kim | 2023-06-13 |
| 10204275 | Image monitoring system and surveillance camera | Dong-Hak Shin | 2019-02-12 |
| 9672463 | People counting method and apparatus | Jong Kyoung Lee | 2017-06-06 |
| 9268010 | Surveillance system and method | — | 2016-02-23 |
| 9055201 | Apparatus and method of storing and searching for image | — | 2015-06-09 |
| 9041592 | Radar sensor and method of detecting object using the same | — | 2015-05-26 |
| 8797145 | RFID system and communication method performed by the same | Chang-seok Yoon, Sung Ho Cho | 2014-08-05 |
| 8134466 | RFID system preventing recognition error and communication method thereof | Sung Ho Cho | 2012-03-13 |
| 7031351 | Serial data mapping apparatus for synchronous digital hierarchy | — | 2006-04-18 |
| 5999511 | Read circuit for disc player | — | 1999-12-07 |