Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11799552 | Optical network using optical amplifier in gain saturation region | Hwan Seok CHUNG | 2023-10-24 |
| 11770341 | Bandwidth allocating apparatus and method for providing low-latency fronthaul service in passive optical network | Kyeong Hwan DOO, Kwang-Ok Kim, Hwan Seok CHUNG | 2023-09-26 |
| 11742952 | Burstmode optical transmitter | Hwan Seok CHUNG | 2023-08-29 |
| 11569911 | Multi-quiet zone-based optical network unit registration method for low-latency service | Kwang-Ok Kim, Kyeong Hwan DOO, Jung-yeol Oh, Hwan Seok CHUNG | 2023-01-31 |
| 11515948 | Function split structure for mobile convergence optical transmission network and method of providing coordinated multi-point technology using the same | Jung-yeol Oh, Kwang-Ok Kim, Kyeong Hwan DOO, Hwan Seok CHUNG | 2022-11-29 |
| 11233572 | Slice connection method of optical access network and optical access network system for slice connection | Jung-yeol Oh, Kwang-Ok Kim, Kyeong Hwan DOO, Hwan Seok CHUNG | 2022-01-25 |
| 11212600 | Integrated dynamic bandwidth allocation method and apparatus in passive optical networks | Kyeong Hwan DOO, Kwang-Ok Kim, Jung-yeol Oh, Hwan Seok CHUNG | 2021-12-28 |
| 11088774 | Method and apparatus for wavelength allocation for bidirectional optical access | Hwan Seok CHUNG | 2021-08-10 |
| 10827240 | Cooperatiave dynamic bandwidth allocation method in mobile network with optical network, and device of performing the cooperatiave dynamic bandwidth allocation method | Hwan Seok CHUNG, Kyeong Hwan DOO, Kwang-Ok Kim | 2020-11-03 |
| 10476625 | Optical network system using wavelength channels included in O-band | Heuk Park, Hwan Seok CHUNG | 2019-11-12 |
| 10461882 | Optical network unit for optical transmission in burst mode | Hwan Seok CHUNG | 2019-10-29 |
| 9634790 | Burst-mode optical amplification apparatus and method thereof | Sang Soo Lee | 2017-04-25 |
| 9571187 | Wavelength-division multiplexing optical communication system and method for measuring optical performance of an output signal for the system | Jie Hyun Lee, Eon-sang KIM, Sang Soo Lee | 2017-02-14 |
| 9525507 | Method of tuning wavelength in time and wavelength division multiplexing-passive optical network (TWDM-PON) | Kwang-Ok Kim, Kyeong Hwan DOO, Sang Soo Lee | 2016-12-20 |
| 9197351 | Method of selecting wavelength of optical network unit in passive optical network | Kyeong Hwan DOO, Seung Il Myong, Seung Hyun CHO, Jie Hyun Lee, Sang Soo Lee | 2015-11-24 |
| 9191142 | Optical network unit having power saving function and power saving method thereof | Sang Soo Lee | 2015-11-17 |
| 9136941 | Optical layer monitoring apparatus and method thereof | Seung Il Myong, Eui Suk Jung, Sang Soo Lee | 2015-09-15 |
| 9136968 | Time and wavelength division multiplexing—passive optical network (TWDM-PON) system and communication link method thereof | Sang Soo Lee | 2015-09-15 |
| 9112600 | Wavelength tuning time measurement apparatus and method for multi-wavelength passive optical network | Jie Hyun Lee, Seung-II Myong, Sang Soo Lee | 2015-08-18 |
| 9100121 | Link setup method for wavelength division multiplexing wavelength passive optical network(WDM PON) system | Eun-Gu Lee, Eui Suk Jung, Sil-Gu Mun, Jie Hyun Lee | 2015-08-04 |
| 9093811 | Multi channel transmitter optical sub-assembly | Eun-Gu Lee, Eui Suk Jung, Sil-Gu Mun, Jyung Chan Lee, Sang Soo Lee +1 more | 2015-07-28 |
| 9077477 | Continuous-mode wavelength conversion apparatus, burst-mode wavelength conversion apparatus, remote termination apparatus and central office termination apparatus | Kwang-Ok Kim, Sang Soo Lee | 2015-07-07 |
| 9008513 | Wavelength division multiplexing-passive optical network system | Byoung Whi Kim, Jie Hyun Lee, Bong Tae Kim | 2015-04-14 |
| 8824890 | Open optical access network system | Seung Hyun CHO, Eui Suk Jung, Eun-Gu Lee, Jong-Hoon Lee, Jie Hyun Lee +1 more | 2014-09-02 |
| 8724943 | Angled physical contact receptacle stub and angled physical contact transmitter optical sub-assembly having the same | Jong-Hoon Lee, Seung Hyun CHO, Jie Hyun Lee, Sang Soo Lee, Eun-Gu Lee | 2014-05-13 |