Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10237121 | Apparatus and method for interconnecting multiple linear protection domains | Jeong-dong RYOO, Taesik CHEUNG | 2019-03-19 |
| 8837945 | Connection management server, OLT, ONU/ONT and the system and method for providing ethernet-based PTL-PON | Yool Kwon, Hong Ju Kim, Byung Ho Yae, Young Boo Kim | 2014-09-16 |
| 8781323 | Packet transport layer passive optical network (PTL-PON) providing system and method | Yool Kwon, Hong Ju Kim, Byung Ho Yae, Young Boo Kim | 2014-07-15 |
| 8411681 | Multicasting method in network including T-MPLS network and WDM network and apparatus therefor | Soon Seok Lee | 2013-04-02 |
| 8179788 | Protection switching method and apparatus for use in ring network | Soon Seok Lee | 2012-05-15 |
| 8169917 | Tandem connection monitoring method in MPLS network | Soon Seok Lee | 2012-05-01 |
| 7872967 | Apparatus and method for multi-protocol label switching label-switched path protection switching | Soon Seok Lee | 2011-01-18 |
| 7675870 | IP-TV broadcasting service system and method using physical layer's multicast switch | Soon Seok Lee | 2010-03-09 |
| 7561524 | Method for measuring performance of MPLS LSP | Soon Seok Lee | 2009-07-14 |
| 5926102 | Method for controlling bidirectional line protection switching by using a remote defect indication signal | Yoo-Kyoung Lee | 1999-07-20 |