Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454770 | Apparatus and method for adjusting optical axis for optical wireless communication in free space | Young Soon HEO, Sung Chang Kim, Hyun Seo Kang, Chan Il Yeo, Ji Hyoung RYU +7 more | 2022-09-27 |
| 11009830 | Apparatus and method for hologram image acquisition | Gi Hyeon MIN, Byung-Tak Lee, Seihyoung LEE, Dongsoo Lee | 2021-05-18 |
| 10833763 | Bi-directional wireless optical communication apparatus and method thereof | Hyun Seo Kang, Chan Il Yeo, Young Soon HEO, Kye Eun KIM, Sung Chang Kim +6 more | 2020-11-10 |
| 10462489 | Image processing device and processing method thereof | Gi Hyeon MIN, Nack Woo Kim, Byung-Tak Lee, Young Sun Kim | 2019-10-29 |
| 10209440 | Imaging sensor with Bragg filter and method of manufacturing the same | Nack Woo Kim, Gi Hyeon MIN, Byung-Tak Lee, Young Sun Kim, Sim-Kwon YOON +1 more | 2019-02-19 |
| 9217670 | Object recognition apparatus using spectrometer and method thereof | Nac Woo Kim, Byung-Tak Lee, Sim-Kwon YOON, Young Sun Kim | 2015-12-22 |
| 9184844 | Optical network system and method for controlling optical network system | Dong Soo Lee, Hark Yoo, Sung Chang Kim, Geun Yong KIM, Young Suk Lee | 2015-11-10 |
| 9178619 | Passive optical network (PON)-based system and method for providing handover among optical network terminals (ONTs) | Young Suk Lee, Sung Chang Kim, Hark Yoo, Geun Yong KIM, Dong Soo Lee +1 more | 2015-11-03 |
| 9002212 | Method and apparatus for burst mode clock and data recovery | Dong Soo Lee, Geun Yong KIM, Hark Yoo, Young Suk Lee, Sung Chang Kim +2 more | 2015-04-07 |
| 9002199 | Apparatus and method for monitoring optical line | Dong Soo Lee, Geun Yong KIM, Hark Yoo, Sung Chang Kim, Young Suk Lee | 2015-04-07 |
| 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, Geun Yong KIM, Dong Soo Lee +1 more | 2015-01-20 |
| 8934781 | Optical subscriber network | Sung Chang Kim, Jong Deog Kim, Dong Soo Lee, Hark Yoo, Geun Yong KIM +1 more | 2015-01-13 |
| 8768163 | Detecting rogue ONU, OLT and PON system | Geun Yong KIM, Sung Chang Kim, Dongsoo Lee, Hark Yoo, Youngsuk Lee +2 more | 2014-07-01 |
| 8630550 | Optical repeater and optical signal amplifying method thereof | Jong Deog Kim, Dongsoo Lee, Sung Chang Kim, Hark Yoo, Geun Yong KIM +2 more | 2014-01-14 |
| 8619590 | Method for transmitting OAM message and processing error in PON system | Young Suk Lee, Hark Yoo, Geun Yong KIM, Dong Soo Lee, Sung Chang Kim +2 more | 2013-12-31 |
| 8463136 | Burst mode optical repeater | Byung-Tak Lee, Jong Deog Kim, Bin Yeong Yoon, Dong Soo Lee, Jai-sang Koh +1 more | 2013-06-11 |
| 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 |
| 8335217 | Method and apparatus for filtering multicast port identifier in gigabit-capable passive optical network (GPON) system | Geun Yong KIM, Hark Yoo, Dongsoo Lee, Sung Chang Kim, Youngsuk Lee | 2012-12-18 |
| 8103163 | Method of controlling optical output power and passive optical network system using the same | Bin Yeong Yoon, Bong Kyu Kim, Dong Soo Lee, Jong Deog Kim, Bong Tae Kim | 2012-01-24 |
| 8081661 | Dynamic bandwidth allocation device for an optical network and method thereof | Hark Yoo, Bin Yeong Yoon, Kyeong Hwan DOO, Kwang-Ok Kim, Sung Chang Kim +2 more | 2011-12-20 |
| 7974290 | TDMA passive optical network OLT system for broadcast service | Bin Yeong Yoon, Dong Soo Lee, Jong Deog Kim, Sung Woong Park, Bong Tae Kim | 2011-07-05 |
| 7792429 | Hybrid optical transceiver module and passive optical network including the same | Sung Woong Park, Bong Kyu Kim, Bin Yeong Yoon, Dong Soo Lee, Jong Deog Kim | 2010-09-07 |
| 7760734 | TDMA passive optical network OLT system for broadcast service | Bin Yeong Yoon, Dong Soo Lee, Jong Deog Kim, Sung Woong Park, Bong Tae Kim | 2010-07-20 |
| 7424180 | High power planar lightwave circuit optical Tx module and Tx/Rx module | Sung Woong Park, Dong Soo Lee, Bin Yeong Yoon, Jong Deog Kim, Young-Tak Han | 2008-09-09 |
| 7387527 | Pluggable optical transceiver module | Jong Deog Kim, Sung Woong Park, Dong Soo Lee, Bin Yeong Yoon, Byung-Tak Lee | 2008-06-17 |