Worldgate Service, Inc.
7Patents
2Active
7Granted
34Portfolio score
Filing activity: Jun 9, 1998 → Sep 1, 2006 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6477579B1 | Access system and method for providing interactive access to an information source through a networked distribution system | Electricity | 150 | Expired |
| US7239338B2 | Videophone system and method | Electricity | 64 | Expired |
| US6266369A | MPEG encoding technique for encoding web pages | Electricity | 47 | Expired |
| US6389075B2 | MPEG encoding technique for encoding web pages | Electricity | 36 | Expired |
| USD512698S1 | Video phone | General | 33 | Expired |
| US8063928B2 | Videophone system and method | Electricity | 19 | Active |
| US8089502B2 | Adaptive video telephone system | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.