Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802789 | Elevator security system | Yu Seon Kim, Ho-Sung Yoon | 2017-10-31 |
| 9654561 | Integrated cloud storage service through home gateway | Se Jin Park, Yu Seon Kim, Ho-Sung Yoon | 2017-05-16 |
| 8830264 | Method and apparatus for providing image to device | Won-Yeol LEE, Eun-Kyoung Paik, Hyun Pyo Kim | 2014-09-09 |
| 7881613 | Wavelength tracking apparatus and method in WDM-PON system | Byoung Whi Kim, Woo-Ram Lee, Yun Chur Chung, Jang Won Chae | 2011-02-01 |
| 7848643 | Communication recovering system for wavelength division multiplexed passive optical network | Yun Chur Chung, Kyung Woo Lim, Kwan Hee Han | 2010-12-07 |
| 7809227 | Optical fiber, and optical access network, local area network and optical parts for communication, which use the optical fiber | Yun Chur Chung, Jun Haeng Lee, Jang Won Chae | 2010-10-05 |
| 7558477 | Communication recovering system for wavelength division multiplexed passive optical network | Yun Chur Chung, Kyung Woo Lim, Kwan Hee Han | 2009-07-07 |
| 7542673 | Fault localization apparatus for optical line in wavelength division multiplexed passive optical network | Yun Chur Chung, Kyung Woo Lim, Kwan Hee Han | 2009-06-02 |