Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9204271 | System for providing ARS interlocking data using ring data and method thereof | Se-Yong Lee, Ki-Won Nam, Kyo-sik Hong | 2015-12-01 |
| 8892119 | Automatic position information transmission system and method using wireless data network | Se-Yong Lee, Ki-Won Nam, Kyo-sik Hong, Chun-dong Kim, Yeon Seok Cho | 2014-11-18 |
| 8478248 | Bidirectional information sharing system and method using wireless data network | Se-Yong Lee, Ki-Won Nam, Kyo-sik Hong, Chun-dong Kim, Yeon Seok Cho | 2013-07-02 |