Kyocera Wireless Corp.
247Patents
45Active
247Granted
46Portfolio score
Filing activity: Jan 3, 2001 → Jun 18, 2008 · 45 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7085571B2 | System and method for using geographical location to determine when to exit an existing wireless communications coverage network | Electricity | 409 | Expired |
| US7180467B2 | System and method for dual-band antenna matching | Electricity | 340 | Expired |
| US6867744B2 | Tunable horn antenna | Electricity | 238 | Expired |
| US6710651B2 | Systems and methods for controlling output power in a communication device | Electricity | 219 | Expired |
| US6825818B2 | Tunable matching circuit | Electricity | 154 | Expired |
| US7526306B2 | Push to talk user interface | Electricity | 149 | Expired |
| US7071776B2 | Systems and methods for controlling output power in a communication device | Electricity | 148 | Expired |
| US6765540B2 | Tunable antenna matching circuit | Electricity | 138 | Expired |
| US7176845B2 | System and method for impedance matching an antenna to sub-bands in a communication band | Electricity | 133 | Expired |
| US7050783B2 | Accessory detection system | Electricity | 132 | Expired |
| US7009455B2 | Tunable power amplifier matching circuit | Electricity | 125 | Expired |
| US7221327B2 | Tunable matching circuit | Electricity | 120 | Expired |
| US6859104B2 | Tunable power amplifier matching circuit | Electricity | 118 | Expired |
| USD565532S1 | Phone with two-way slide | General | 87 | Expired |
| US6987483B2 | Effectively balanced dipole microstrip antenna | Electricity | 83 | Expired |
| US7024230B2 | Accessory interface system | Electricity | 76 | Expired |
| USD563924S1 | Mobile telephone | General | 72 | Expired |
| US7509100B2 | Antenna interface unit | Electricity | 66 | Active |
| US7110789B1 | Wireless communications device docking system and method | Electricity | 65 | Expired |
| US7139530B2 | Method and apparatus for calibrating a reference oscillator | Electricity | 59 | Expired |
| US7239290B2 | Systems and methods for a capacitively-loaded loop antenna | Electricity | 58 | Expired |
| US7221933B2 | Messaging system for mobile communication | Electricity | 54 | Expired |
| US7217994B2 | Stack package for high density integrated circuits | Electricity | 52 | Expired |
| US7508868B2 | Systems and methods for testing the performance of and simulating a wireless communication device | Electricity | 46 | Active |
| US7046966B2 | Method and apparatus for assigning data rate in a multichannel communication system | Electricity | 41 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.