Xiaohan Liu
21Patents
4h-index
16Co-inventors
60Inventor score
Filing activity: Dec 2, 2004 → Apr 10, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8713320B2 | Security authentication method, apparatus, and system | Electricity | 28 | Active |
| US9049594B2 | Method and device for key generation | Electricity | 19 | Active |
| US7936880B2 | Method, apparatus and system for key derivation | Electricity | 17 | Active |
| US8019083B2 | Method, apparatus and system for key derivation | Electricity | 11 | Active |
| US11247174B2 | Drainage device and system for controlling discharging of concentrated water in water purification process | Chemistry; Metallurgy | 4 | Active |
| US8769283B2 | MTC device authentication method, MTC gateway, and related device | Electricity | 3 | Active |
| US8527904B2 | Quick data entry lanes for touch screen mobile devices | Physics | 3 | Active |
| US8706085B2 | Method and apparatus for authenticating communication device | Electricity | 2 | Active |
| US8934914B2 | Key separation method and device | Electricity | 1 | Active |
| US8990261B2 | Quick data entry lanes for touch screen mobile devices | Physics | 0 | Active |
| US12011683B2 | Filter element butt joint mechanism | Performing Operations; Transporting | 0 | Active |
| US9661539B2 | Method, apparatus and system for key derivation | Electricity | 0 | Active |
| US7783319B2 | Adjustment method for control threshold of terminal forward transmission power in a mobile communication system | Electricity | 0 | Active |
| US12076673B2 | Filter element mounting structure | Performing Operations; Transporting | 0 | Active |
| US11946556B2 | Valve body | Performing Operations; Transporting | 0 | Active |
| US12013049B2 | Concentrated water regulating valve | Chemistry; Metallurgy | 0 | Active |
| US10334492B2 | Method, apparatus and system for key derivation | Electricity | 0 | Active |
| US7840231B2 | Method to adjust forward transmission power control threshold in mobile communication system | Electricity | 0 | Active |
| US8452318B2 | Method and systems for power overload control of the trunking group forward supplemental channel | Electricity | 0 | Active |
| US9125116B2 | Method, apparatus and system for key derivation | Electricity | 0 | Active |
| US8320568B2 | Method, apparatus and system for key derivation | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.