Zeeman Zhang
11Patents
7h-index
4Co-inventors
51Inventor score
Filing activity: Aug 26, 1999 → Mar 27, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6505163B1 | Network and method for providing an automatic recall telecommunications service with automatic speech recognition capability | Electricity | 229 | Expired |
| US6694004B1 | System and method for simultaneous ring service with centralized subscription data | Electricity | 42 | Expired |
| US6907111B1 | Network and method for providing a name and number delivery telecommunications services with automatic speech recognition capability | Electricity | 36 | Expired |
| US6993119B1 | Network and method for providing a flexible call forwarding telecommunications service with automatic speech recognition capability | Electricity | 17 | Expired |
| US6826529B1 | Network and method for providing a call screening telecommunications service with automatic speech recognition capability | Electricity | 13 | Expired |
| US6778640B1 | Network and method for providing a user interface for a simultaneous ring telecommunications service with automatic speech recognition capability | Electricity | 10 | Expired |
| US7688962B1 | Method and system for preserving service node resources and reducing clipping effect | Electricity | 10 | Expired |
| US6597780B1 | Method and system for providing a continuous tone source using a service node | Electricity | 3 | Expired |
| US6873686B1 | Network and method for providing a calling name telecommunications service with automatic speech recognition capability | Electricity | 2 | Expired |
| US7489769B2 | Method and system for providing a continuous tone source using a network node | Electricity | 2 | Expired |
| USRE42539E1 | Network and method for providing a calling name telecommunications service with automatic speech recognition capability | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.