Patent | Date |
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Gas Cylinder And Gas Spring For Preventing Gas Leakage, And Method For Manufacturing Same App 20210041004 - LEE; Ki Cheol ;   et al. | 2021-02-11 |
Column Unit For Chair App 20140145483 - Kim; Eun Ha ;   et al. | 2014-05-29 |
Hybrid storage apparatus and method of sharing resources therein Grant 8,732,424 - Lee , et al. May 20, 2 | 2014-05-20 |
Interface system and method of controlling thereof Grant 8,335,214 - Lee , et al. December 18, 2 | 2012-12-18 |
Apparatus and method for automatically extracting interface of embedded software Grant 8,255,874 - Choi , et al. August 28, 2 | 2012-08-28 |
Handover control method and apparatus for efficiently buffering packets in wimax network Grant 8,194,607 - Lee , et al. June 5, 2 | 2012-06-05 |
Apparatus and method for controlling layer 3 handover of mobile node Grant 8,184,589 - Lee , et al. May 22, 2 | 2012-05-22 |
Device and method for testing embedded software using emulator Grant 8,156,475 - Choi , et al. April 10, 2 | 2012-04-10 |
Method And Apparatus For Transmitting And Receiving Map Data App 20110202273 - NOGTEV; Igor ;   et al. | 2011-08-18 |
Hybrid Storage Apparatus And Method Of Sharing Resources Therein App 20100172049 - Lee; Ki-cheol ;   et al. | 2010-07-08 |
Interface system and method of controlling thereof App 20090238186 - Lee; Jae-bok ;   et al. | 2009-09-24 |
Ethernet passive optical network for convergence of broadcasting and communication Grant 7,450,581 - Lee , et al. November 11, 2 | 2008-11-11 |
Device And Method For Testing Embedded Software Using Emulator App 20080270840 - CHOI; Byoung-Ju ;   et al. | 2008-10-30 |
Apparatus And Method For Automatically Extracting Interface Of Embedded Software App 20080270996 - CHOI; Byoung-Ju ;   et al. | 2008-10-30 |
Ethernet PON using time division multiplexing to converge broadcasting/video with data Grant 7,428,385 - Lee , et al. September 23, 2 | 2008-09-23 |
Handover control method and apparatus for efficiently buffering packets in wimax network App 20080192700 - Lee; Ki-Cheol ;   et al. | 2008-08-14 |
Large-capacity optical router using electric buffer Grant 7,409,158 - Lee , et al. August 5, 2 | 2008-08-05 |
Ethernet passive optical network for integrating broadcast and communication based on time division multiplexing scheme Grant 7,382,982 - Lee , et al. June 3, 2 | 2008-06-03 |
Wavelength division multiplexing-passive optical network capable of integrating broadcast and communication services Grant 7,366,415 - Lee , et al. April 29, 2 | 2008-04-29 |
Bi-directional wavelength division multiplexing self-healing optical ring network Grant 7,330,650 - Kim , et al. February 12, 2 | 2008-02-12 |
Passive optical network employing code division multiple access Grant 7,330,656 - Lee , et al. February 12, 2 | 2008-02-12 |
Apparatus and method for controlling layer 3 handover of mobile node App 20070275726 - Lee; Ki-Cheol ;   et al. | 2007-11-29 |
Bi-directional optical cross-connect device Grant 7,298,976 - Kim , et al. November 20, 2 | 2007-11-20 |
High speed optical routing apparatus and method Grant 7,292,784 - Lee , et al. November 6, 2 | 2007-11-06 |
Two-fiber optical ring network Grant 7,280,754 - Doh , et al. October 9, 2 | 2007-10-09 |
Optical multi-ring network for burst data communication Grant 7,280,758 - Doh , et al. October 9, 2 | 2007-10-09 |
Bi-directional optical add/drop multiplexer for WDM optical networks Grant 7,277,639 - Kim , et al. October 2, 2 | 2007-10-02 |
Optical ring network for burst data communication Grant 7,272,311 - Doh , et al. September 18, 2 | 2007-09-18 |
Passive optical network employing multi-carrier code division multiple access Grant 7,272,318 - Lee , et al. September 18, 2 | 2007-09-18 |
Complex network management system and method thereof App 20070165536 - Lee; Ki-Cheol ;   et al. | 2007-07-19 |
Subscriber interfacing device in communication-broadcasting convergence FTTH Grant 7,239,808 - Lee , et al. July 3, 2 | 2007-07-03 |
System and method for controlling multicasting service App 20070147374 - Lee; Ki-Cheol ;   et al. | 2007-06-28 |
Wavelength division multiplexing optical switching system Grant 7,228,071 - Park , et al. June 5, 2 | 2007-06-05 |
Wavelength path monitoring/correcting apparatus in transparent optical cross-connect and method thereof Grant 7,200,329 - Lee , et al. April 3, 2 | 2007-04-03 |
Gain-flattened wideband erbium-doped optical fiber amplifier Grant 7,167,302 - Lee , et al. January 23, 2 | 2007-01-23 |
Gas cylinder Grant 7,134,379 - Jeon , et al. November 14, 2 | 2006-11-14 |
Bidirectional WDM self-healing ring network Grant 7,133,609 - Kim , et al. November 7, 2 | 2006-11-07 |
WDM self-healing optical ring network Grant 7,123,830 - Kim , et al. October 17, 2 | 2006-10-17 |
Optical switching device Grant 7,103,241 - Kim , et al. September 5, 2 | 2006-09-05 |
Apparatus for regenerating all-optical signal and method thereof Grant 7,085,498 - Lee , et al. August 1, 2 | 2006-08-01 |
Apparatus and method for providing multi protocol label switching (MPLS)-based virtual private network (VPN) App 20060168279 - Lee; Ki-Cheol ;   et al. | 2006-07-27 |
Apparatus and method for performance management in MPLS network App 20060140132 - Lee; Ki-Cheol ;   et al. | 2006-06-29 |
Centralized control of multi protocol label switching (MPLS) network App 20060133300 - Lee; Ki-Cheol ;   et al. | 2006-06-22 |
Optical add/drop multiplexer Grant 7,006,723 - Kim , et al. February 28, 2 | 2006-02-28 |
Communication/broadcast multiplexer and demultiplexer used in communication/broadcast-integrated system App 20060018334 - Cho; Jae-Hun ;   et al. | 2006-01-26 |
Ethernet PON using time division multiplexing to converge broadcasting/video with data App 20050152697 - Lee, Ki-Cheol ;   et al. | 2005-07-14 |
Ethernet passive optical network for integrating broadcast and communication based on time division multiplexing scheme App 20050069318 - Lee, Ki-Cheol ;   et al. | 2005-03-31 |
Ethernet passive optical network accommodating real-time broadcast/image signals and being capable of providing security for broadcast/image signals App 20050069317 - Lee, Ki-Cheol ;   et al. | 2005-03-31 |
Subscriber interfacing device in communication-broadcasting convergence FTTH App 20050025485 - Lee, Ki-Cheol ;   et al. | 2005-02-03 |
Ethernet passive optical network for convergence of broadcasting and communication App 20040264400 - Lee, Ki-Cheol ;   et al. | 2004-12-30 |
Gain-flattened wideband erbium-doped optical fiber amplifier App 20040240045 - Lee, Jong-Hun ;   et al. | 2004-12-02 |
Bi-directional optical add/drop multiplexer for WDM optical networks App 20040228630 - Kim, Jong-Kwon ;   et al. | 2004-11-18 |
High speed optical routing apparatus and method App 20040223762 - Lee, Ki-Cheol ;   et al. | 2004-11-11 |
Optical add/drop multiplexer App 20040223687 - Kim, Jong-Kwon ;   et al. | 2004-11-11 |
Passive optical network employing multi-carrier code division multiple access App 20040223763 - Lee, Ki-Cheol ;   et al. | 2004-11-11 |
Optical add/drop multiplexer App 20040218926 - Kim, Jong-Kwon ;   et al. | 2004-11-04 |
Bi-directional optical cross-connect device App 20040218927 - Kim, Jong-Kwon ;   et al. | 2004-11-04 |
Bi-directional wavelength division multiplexing self-healing optical ring network App 20040218526 - Kim, Jong-Kwon ;   et al. | 2004-11-04 |
Optical ring network for burst data communication App 20040213572 - Doh, Sang-Hyun ;   et al. | 2004-10-28 |
Optical switching device App 20040208420 - Kim, Jong-Kwon ;   et al. | 2004-10-21 |
Passive optical network employing code division multiple access App 20040208537 - Lee, Ki-Cheol ;   et al. | 2004-10-21 |
Wavelength division multiplexing-passive optical network capable of integrating broadcast and communication services App 20040184806 - Lee, Ki-Cheol ;   et al. | 2004-09-23 |
WDM self-healing optical ring network App 20040151493 - Kim, Jong-Kwon ;   et al. | 2004-08-05 |
Wavelength path monitoring/correcting apparatus in transparent optical cross-connect and method thereof App 20040151497 - Lee, Ki-Cheol ;   et al. | 2004-08-05 |
Large-capacity optical router using electric buffer App 20040151171 - Lee, Ki-Cheol ;   et al. | 2004-08-05 |
Bidirectional WDM self-healing ring network App 20040131354 - Kim, Jong-Kwon ;   et al. | 2004-07-08 |
Two-fiber optical ring network App 20040076426 - Doh, Sang-Hyun ;   et al. | 2004-04-22 |
Wavelength division multiplexing optical switching system App 20040071160 - Park, Se-Kang ;   et al. | 2004-04-15 |
Optical multi-ring network for burst data communication App 20040071468 - Doh, Sang-Hyun ;   et al. | 2004-04-15 |
Gas cylinder App 20040061367 - Jeon, Young Sang ;   et al. | 2004-04-01 |
Apparatus for regenerating all-optical signal and method thereof App 20040013353 - Lee, Ki-Cheol ;   et al. | 2004-01-22 |