Spencer Wang
77Patents
39h-index
9Co-inventors
77Inventor score
Filing activity: Dec 30, 1998 → Feb 20, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6775267B1 | Method for billing IP broadband subscribers | Electricity | 423 | Expired |
| US6826173B1 | Enhanced subscriber IP alerting | Electricity | 353 | Expired |
| US7289489B1 | Method for billing IP broadband subscribers | Electricity | 317 | Expired |
| US6252952A | Personal user network (closed user network) PUN/CUN | Electricity | 317 | Expired |
| US6373817B1 | Chase me system | Electricity | 306 | Expired |
| US7120139B1 | Broadband cable telephony network architecture IP ITN network architecture reference model | Electricity | 279 | Expired |
| US6961559B1 | Distributed network voice messaging for wireless centrex telephony | Electricity | 250 | Expired |
| US7760711B1 | Method for billing IP broadband subscribers | Electricity | 249 | Active |
| US7180889B1 | Personal control of address assignment and greeting options for multiple BRG ports | Electricity | 223 | Expired |
| US7181207B1 | Method and apparatus for over-the-air activation of neighborhood cordless-type services | Electricity | 192 | Expired |
| US6816469B1 | IP conference call waiting | Electricity | 189 | Expired |
| US6937713B1 | IP call forward profile | Electricity | 187 | Expired |
| US6889321B1 | Protected IP telephony calls using encryption | Electricity | 168 | Expired |
| US6570855B1 | Automatic call manager traffic gate feature | Electricity | 144 | Expired |
| US6687360B2 | Personal IP follow-me service | Electricity | 134 | Expired |
| US6917610B1 | Activity log for improved call efficiency | Electricity | 134 | Expired |
| US6671262B1 | Conference server for automatic x-way call port expansion feature | Electricity | 133 | Expired |
| US6680935B1 | Anonymous call rejection | Electricity | 118 | Expired |
| US6678265B1 | Local number portability database for on-net IP call | Electricity | 98 | Expired |
| US6633635B2 | Multiple call waiting in a packetized communication system | Electricity | 95 | Expired |
| US6574470B1 | Programmable ring-call forwarding in a wireless centrex services system | Electricity | 91 | Expired |
| US6775273B1 | Simplified IP service control | Electricity | 89 | Expired |
| US6243572A | Method and apparatus for billing a neighborhood cordless service | Electricity | 87 | Expired |
| US6470179B1 | Automatic service selection feature for neighborhood residential cordless service | Electricity | 78 | Expired |
| US6771953B1 | Wireless centrex call transfer | Electricity | 68 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.