Hwajin Cha
14Patents
1h-index
17Co-inventors
43Inventor score
Filing activity: Jan 29, 2015 → Jul 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10827409B2 | Method and apparatus for improving mobility in wireless communication system | Electricity | 4 | Active |
| US10735942B2 | Method and apparatus for performing the trace corresponding to a terminal in wireless communication system | Electricity | 1 | Active |
| US12328633B2 | Method and device for handling link failure in wireless communication system | Electricity | 0 | Active |
| US11343668B2 | Method and apparatus for performing the trace corresponding to a terminal in wireless communication system | Electricity | 0 | Active |
| US11197337B2 | Apparatus and method for managing state of terminal in wireless communication system | Electricity | 0 | Active |
| US11432212B2 | Method and apparatus for minimizing interruption time of data transfer on handover in wireless communication network | Electricity | 0 | Active |
| US10484963B2 | Method and apparatus for transmitting and receiving paging message in mobile communication system | Electricity | 0 | Active |
| US10736012B2 | Method and device for providing circuit switching service in wireless communication system | Electricity | 0 | Active |
| US11026134B2 | Method and apparatus for supporting handover | Electricity | 0 | Active |
| US9973976B2 | Efficient session management method and apparatus guaranteeing terminal mobility | Electricity | 0 | Active |
| US12302188B2 | Method and device for handling link failure in wireless communication system | General | 0 | Revoked |
| US10945184B2 | Method and apparatus for supporting handover in wireless communication system | Electricity | 0 | Active |
| US10764799B2 | Method and apparatus for minimizing interruption time of data transfer on handover in wireless communication network | Electricity | 0 | Active |
| US10383169B2 | Base station and terminal connection management method of base station | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.