Han Wool Cha
8Patents
0h-index
15Co-inventors
34Inventor score
Filing activity: Jan 18, 2017 → Oct 11, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US12095714B2 | Method and apparatus for messaging service | Electricity | 0 | Active |
| US12323374B2 | Method and apparatus for messaging service | Electricity | 0 | Active |
| US11330444B2 | Cognitive radio communication control device for determining cognitive radio terminal and cognitive radio terminal determining method | Electricity | 0 | Active |
| US12126579B2 | Method and apparatus for messaging service | Electricity | 0 | Active |
| US12299059B2 | Method and apparatus for messaging service | Electricity | 0 | Active |
| US11824823B2 | Instant messaging server providing multiple types of chat rooms | Physics | 0 | Active |
| US12348470B2 | Instant messaging server providing multiple types of chat rooms | Physics | 0 | Active |
| US11071110B2 | Method and device for allocating dynamic frequency for secondary user in cognitive radio network | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.