Hark Yoo
32Patents
3h-index
33Co-inventors
59Inventor score
Filing activity: Apr 28, 2004 → Nov 4, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8768163B2 | Detecting rogue ONU, OLT and PON system | Electricity | 9 | Active |
| US9860011B2 | Method and apparatus for selecting wavelength in hybrid passive optical network system | Electricity | 7 | Active |
| US8081661B2 | Dynamic bandwidth allocation device for an optical network and method thereof | Electricity | 3 | Active |
| US8938167B2 | Apparatus and method for managing dynamic bandwidth allocation to support low-power mode in passive optical network (PON) | Electricity | 3 | Active |
| US9614612B2 | Fast protection switching method for passive optical network | Electricity | 2 | Active |
| US9197353B2 | Wavelength selection and configuration method for multi-wavelength optical communication system | Electricity | 2 | Active |
| US8842999B2 | Optical network unit and method of saving power thereof | Electricity | 1 | Active |
| US7034989B2 | Optical wavelength conversion apparatus and method using injection locking of fabry-perot laser diode | Electricity | 1 | Expired |
| US8639117B2 | Apparatus and method for allocating dynamic bandwidth | Electricity | 1 | Active |
| US9553692B2 | Method and system for determining and controlling power of optical transmitter of optical network unit for time and wavelength division multiplexing passive optical network | Electricity | 1 | Active |
| US9825710B2 | Method and system for determining and controlling power of optical transmitter of optical network unit for time and wavelength division multiplexing passive optical network | Electricity | 1 | Active |
| US10205524B2 | Method and apparatus for setting quiet window in passive optical network system | Electricity | 1 | Active |
| US11277495B2 | System and method for providing microservice-based device control interface | Physics | 1 | Active |
| US8351436B2 | Apparatus and method for efficient bandwidth allocation on time division multiple access-based passive optical network (TDMA-PON) | Electricity | 1 | Active |
| US9698900B2 | Optical network unit and method for controlling the unit | Electricity | 0 | Active |
| US9609403B2 | Method of controlling optical network unit (ONU) in sleep mode | Electricity | 0 | Active |
| US8630550B2 | Optical repeater and optical signal amplifying method thereof | Electricity | 0 | Active |
| US8983295B2 | Optical line terminal and method of registering optical network terminal thereof | Electricity | 0 | Active |
| US9088382B2 | Optical line terminal of passive optical network, and method for controlling upstream band using the same | Electricity | 0 | Active |
| US9178619B2 | Passive optical network (PON)-based system and method for providing handover among optical network terminals (ONTs) | Electricity | 0 | Active |
| US8335217B2 | Method and apparatus for filtering multicast port identifier in gigabit-capable passive optical network (GPON) system | Electricity | 0 | Active |
| US10270526B2 | Apparatus and method for monitoring status of terminal | Electricity | 0 | Active |
| US9553665B2 | Apparatus and method for detecting optical line fault in passive optical network | Electricity | 0 | Active |
| US9184844B2 | Optical network system and method for controlling optical network system | Electricity | 0 | Active |
| US8463136B2 | Burst mode optical repeater | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.