UTStarcom, Inc.
129Patents
15Active
129Granted
43Portfolio score
Filing activity: Jun 20, 1996 → Dec 21, 2009 · 15 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7259474B2 | Method and apparatus for aggregating power from multiple sources | Electricity | 205 | Expired |
| US6863610B2 | Wireless gaming system using standard cellular telephones | Human Necessities | 185 | Expired |
| US6810259B1 | Location update protocol | Electricity | 163 | Expired |
| US6829473B2 | Roaming and hand-off support for prepaid billing for wireless data networks | Electricity | 163 | Expired |
| US6973309B1 | Method and system for re-direction and handoff for pre-paid mobile services in third generation networks | Electricity | 160 | Expired |
| US7171492B1 | Method and application programming interface for assigning multiple network addresses | Electricity | 119 | Expired |
| US6839338B1 | Method to provide dynamic internet protocol security policy service | Electricity | 105 | Expired |
| US7080151B1 | Method and system for mobile IP home agent redundancy by using home agent control nodes for managing multiple home agents | Electricity | 94 | Expired |
| US6738362B1 | Mobile internet protocol (IP) networking with home agent and/or foreign agent functions distributed among multiple devices | Electricity | 82 | Expired |
| US6963582B1 | Applying modified mobile internet protocol (IP) in a wireless mobile data network interface | Electricity | 75 | Expired |
| US6684256B1 | Routing method for mobile wireless nodes having overlapping internet protocol home addresses | Electricity | 74 | Expired |
| US6978128B1 | System and method to allow simple IP mobile nodes to operate seamlessly in a mobile IP network with true roaming capabilities | Electricity | 73 | Expired |
| US6707809B1 | Method for forwarding data to idle mobile nodes, and home agent control node for use in the method | Electricity | 68 | Expired |
| US7154868B1 | Smooth handoff via state exchange in wireless networks | Electricity | 67 | Expired |
| US6650619B1 | Method and system for facilitating increased call traffic by reducing signaling load in an emergency mode | Electricity | 66 | Expired |
| US6954454B1 | Architecture for a central office using IP technology | Electricity | 62 | Expired |
| US6816912B1 | Method and system for tunnel optimized call setup for mobile nodes | Electricity | 58 | Expired |
| US5940456A | Synchronous plesiochronous digital hierarchy transmission systems | Electricity | 54 | Expired |
| US6236839A | Method and apparatus for calibrating a smart antenna array | Electricity | 53 | Expired |
| US7193985B1 | System and method for managing foreign agent selections in a mobile internet protocol network | Electricity | 52 | Expired |
| US7305429B2 | Method and apparatus for global server load balancing | Electricity | 50 | Expired |
| US6956846B2 | System and method for foreign agent control node redundancy in a mobile internet protocol network | Electricity | 50 | Expired |
| US7031275B1 | Address management for mobile nodes | Electricity | 49 | Expired |
| US7280546B1 | Method and system for providing wireless internet protocol access | Electricity | 49 | Expired |
| US7366509B2 | Method and system for identifying an access point into a wireless network | Electricity | 41 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.