Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8983295 | Optical line terminal and method of registering optical network terminal thereof | Hark Yoo, Youngsuk Lee, Sung Chang Kim, Dongsoo Lee | 2015-03-17 |
| 8948401 | Method for filtering of abnormal ONT with same serial number in a GPON system | Kwang-Ok Kim, Dong Soo Lee | 2015-02-03 |
| 8938167 | Apparatus and method for managing dynamic bandwidth allocation to support low-power mode in passive optical network (PON) | Hark Yoo, Young Suk Lee, Sung Chang Kim, Mun Seob Lee, Dong Soo Lee +1 more | 2015-01-20 |
| 8934781 | Optical subscriber network | Sung Chang Kim, Jong Deog Kim, Dong Soo Lee, Hark Yoo, Young Suk Lee +1 more | 2015-01-13 |
| 8842999 | Optical network unit and method of saving power thereof | Sung Chang Kim, Hark Yoo, Youngsuk Lee, Sim-Kwon YOON, Jong Deog Kim | 2014-09-23 |
| 8768163 | Detecting rogue ONU, OLT and PON system | Sung Chang Kim, Dongsoo Lee, Mun Seob Lee, Hark Yoo, Youngsuk Lee +2 more | 2014-07-01 |
| 8639117 | Apparatus and method for allocating dynamic bandwidth | Hark Yoo, Youngsuk Lee, Sung Chang Kim, Jong Deog Kim, Dongsoo Lee | 2014-01-28 |
| 8630550 | Optical repeater and optical signal amplifying method thereof | Mun Seob Lee, Jong Deog Kim, Dongsoo Lee, Sung Chang Kim, Hark Yoo +2 more | 2014-01-14 |
| 8619590 | Method for transmitting OAM message and processing error in PON system | Young Suk Lee, Hark Yoo, Dong Soo Lee, Sung Chang Kim, Mun Seob Lee +2 more | 2013-12-31 |
| 8351436 | Apparatus and method for efficient bandwidth allocation on time division multiple access-based passive optical network (TDMA-PON) | Bin Yeong Yoon, Man-Soo Han, Sung Chang Kim, Hark Yoo, Dong Soo Lee +8 more | 2013-01-08 |
| 8346082 | Method of saving power in optical access network | Bin Yeong Yoon, Sung Chang Kim | 2013-01-01 |
| 8335217 | Method and apparatus for filtering multicast port identifier in gigabit-capable passive optical network (GPON) system | Hark Yoo, Dongsoo Lee, Sung Chang Kim, Mun Seob Lee, Youngsuk Lee | 2012-12-18 |
| 8139937 | Automatic optical power control method for OLT in PON | Sung Chang Kim, Bin Yeong Yoon, Yong Tae Kim, Bong Tae Kim | 2012-03-20 |