Issued Patents All Time
Showing 1–25 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9341770 | Thermal compensation composition of optical fiber connector containing a fiber Bragg grating | Mahn Yong Park, Gil Dong Lee, Geon Jeong | 2016-05-17 |
| 9008513 | Wavelength division multiplexing-passive optical network system | Han Hyub Lee, Jie Hyun Lee, Bong Tae Kim | 2015-04-14 |
| 8705969 | Optical backhaul network for wireless broadband service | Han Hyub Lee, Man Yong Park, Bong Tae Kim | 2014-04-22 |
| 8649691 | Apparatus and method for detecting optical signals | Eui Suk Jung, Dong-min Seol, Sang Soo Lee, Seung Hyun CHO | 2014-02-11 |
| 8644711 | Apparatus and method for OLT and ONU for wavelength agnostic wavelength-division multiplexed passive optical networks | Manyong Park, Woo-Ram Lee, Bong Tae Kim, Seung Hyun CHO, Jie Hyun Lee +4 more | 2014-02-04 |
| 8494366 | Wavelength division multiplexing-passive optical network using external seed light source | — | 2013-07-23 |
| 8488977 | Time division multiple access over wavelength division multiplexed passive optical network | Han Hyub Lee, Bong Tae Kim | 2013-07-16 |
| 8422124 | Seed light module for passive optical network | Han Hyub Lee, Jea Hoon Yu, Mahn Yong Park, Jai-sang Koh | 2013-04-16 |
| 8320763 | Planar lightwave circuit (PLC) device wavelength tunable light source comprising the same device and wavelength division multiplexing-passive optical network (WDM-PON) using the same light source | Manyong Park, Kyung Hyun Park, Hyun Ho Yun | 2012-11-27 |
| 8285143 | Method of allocating bandwidth of passive optical network | Tae Yeon Kim, Kang Bok Lee, Eui Suk Jung, Jea Hoon Yu | 2012-10-09 |
| 8125707 | Reflective semiconductor optical amplifier (RSOA), RSOA module having the same, and passive optical network using the same | Mahn Yong Park, Woo-Ram Lee, Tae Yeon Kim | 2012-02-28 |
| 8086102 | Passive optical network based on reflective semiconductor optical amplifier | Mahn Yong Park, Seung Hyun CHO, Woo-Ram Lee | 2011-12-27 |
| 8054172 | Apparatus with reconfiguration function and signal gathering function | Eui Suk Jung, Tae Yeon Kim, Kang Bok Lee, Jea Hoon Yu | 2011-11-08 |
| 8050554 | Fault localization apparatus for optical line using subcarrier multiplexing (SCM) monitoring signal and method thereof | Seung Hyun Jang, Chul Soo Lee, Eui Suk Jung | 2011-11-01 |
| 8045261 | Reflective semiconductor optical amplifier (RSOA), RSOA module having the same, and passive optical network using the same | Mahn Yong Park, Woo-Ram Lee, Tae Yeon Kim | 2011-10-25 |
| 8036529 | Wavelength conversion apparatus in time division multiplexing—passive optical network system based on wavelength division multiplexing system, and optical transmission apparatus and method using the same | Youngil Park | 2011-10-11 |
| 7995626 | Athermal external cavity laser | Jie Hyun Lee, Mahn Yong Park, Geon Jeong, Chul Young Kim, Seung Hyun CHO +1 more | 2011-08-09 |
| 7881613 | Wavelength tracking apparatus and method in WDM-PON system | Woo-Ram Lee, Yun Chur Chung, Eui Seung Son, Jang Won Chae | 2011-02-01 |
| 7787771 | Extendable loop-back type passive optical network and scheduling method and apparatus for the same | Tae Yeon Kim, Jeong Ju Yoo, Kang Bok Lee, Hyeon-Ho Yoon | 2010-08-31 |
| 7738167 | Reflective semiconductor optical amplifier (RSOA), RSOA module having the same, and passive optical network using the same | Mahn Yong Park, Woo-Ram Lee, Tae Yeon Kim | 2010-06-15 |
| 7720381 | Optical transmission apparatus and optical access network for wavelength-division multiplexing optical network with both sub-carrier multiplex and sub-carrier multiple access schemes | Seung Hyun Jang, Chul Soo Lee, Eul Suk Jung | 2010-05-18 |
| 7689124 | Two-dimensional optical CDMA system, PN coded wavelength/time encoder and decoder therein, and method of encoding/decoding | Young-Hee Yeon, Bong Kyu Kim, Sung-Chan Cho, Sang Jo Park | 2010-03-30 |
| 7679819 | Feed-forward current injection circuits and semiconductor optical amplifier structures for downstream optical signal reuse method | Mahn Yong Park, Seung Hyun CHO, Woo-Ram Lee, Jie Hyun Lee, Geon Jeong +1 more | 2010-03-16 |
| 7599411 | WDM-PON system with optical wavelength alignment function | Jae Dong Park, Hyeong Ho Lee, Jae Woo Yang | 2009-10-06 |
| 7590359 | Optical communication node system, all-optical packet routing system, and all-optical packet routing method and all-optical packet routing network using the node and routing systems | Hyeong Ho Lee | 2009-09-15 |