Altigen Communications, Inc.
🏢 View company profile →19Patents
1Active
19Granted
30Portfolio score
Filing activity: Mar 14, 1997 → Dec 9, 2010
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6292549A | Analog caller identification transmission method and apparatus | Electricity | 87 | Expired |
| US6493439B2 | Analog caller identification transmission method and apparatus | Electricity | 75 | Expired |
| US6532230B1 | Mixed-media communication apparatus and method | Electricity | 27 | Expired |
| US6956848B1 | Computer network-based auto-attendant method and apparatus | Electricity | 18 | Expired |
| USD638818S1 | Docking station with handset for smartphone | General | 14 | Expired |
| USD638817S1 | Docking station for cellular telephone | General | 14 | Expired |
| US6754202B1 | Network call-back data capture method and apparatus | Electricity | 9 | Expired |
| US6192344A | Messaging server language configuration method and apparatus | Electricity | 7 | Expired |
| US6738465B1 | Call-back number voice capture method and apparatus | Electricity | 5 | Expired |
| US7058047B2 | Network call-back data capture method and apparatus | Electricity | 5 | Expired |
| US6909780B1 | Voice mail call out method and apparatus | Electricity | 4 | Expired |
| US6909709B2 | Packetized communications apparatus and method | Electricity | 4 | Expired |
| US6766006B1 | Personal auto attendant apparatus and method | Electricity | 3 | Expired |
| US8660605B2 | Mobile communications device interface device and method | Electricity | 3 | Active |
| US7308092B1 | Method for connecting calls directed to a PSTN extension to a handset of a packet switched network | Electricity | 2 | Expired |
| US7013007B1 | Computer telephony power supply method and apparatus | Electricity | 2 | Expired |
| US7280649B2 | Personal auto attendant apparatus and method | Electricity | 1 | Expired |
| US6928078B2 | Packetized communications apparatus and method | Electricity | 1 | Expired |
| US7027578B2 | Call-back number voice capture method and apparatus | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.