Assignee
OKI TELECOM INC
US·25 granted patents·2,214 citations·filing 1994–1999
Top patents by PatentIndex Score
25 records- 0194US6236863B1Comprehensive transmitter power control system for radio telephonesOKI TELECOM INC·Filed 1998·Granted May 22, 2001·160 cites·17 claims
- 0292US6029072APortable telephone with terminal mode facilityOKI TELECOM INC·Filed 1997·Granted Feb 22, 2000·162 cites·14 claims
- 0390US5697081AIntermodulation distortion reduction circuit utilizing variable attenuationOKI TELECOM INC·Filed 1995·Granted Dec 9, 1997·84 cites·48 claims
- 0489US6188888B1Charging unit and wireless telephone having multi-number call forwarding capabilityOKI TELECOM INC·Filed 1998·Granted Feb 13, 2001·123 cites·5 claims
- 0589US6091948AOne number service using mobile assisted call forwarding facilitiesOKI TELECOM INC·Filed 1997·Granted Jul 18, 2000·167 cites·45 claims
- 0687US6356538B1Partial sleep system for power savings in CDMA wireless telephone devicesOKI TELECOM INC·Filed 1998·Granted Mar 12, 2002·144 cites·18 claims
- 0786US6230031B1Power amplifying circuitry for wireless radio transceiversOKI TELECOM INC·Filed 1999·Granted May 8, 2001·95 cites·7 claims
- 0885US6198947B1External control unit with reduced keypad integrated in voice activated vehicular telephone system with call-in-process voice-to-tones and voice to-memory conversion facilitiesOKI TELECOM INC·Filed 1996·Granted Mar 6, 2001·127 cites·26 claims
- 0985US5732347AImminent change warningOKI TELECOM INC·Filed 1995·Granted Mar 24, 1998·113 cites·38 claims
- 1084US6138036AWireless telephone with voice data interface modeOKI TELECOM INC·Filed 1997·Granted Oct 24, 2000·220 cites·10 claims
- 1183US5784693ACellular carrier selection system incorporating a preferred list of system identification codes (SIDs) corresponding to preferred cellular carriersOKI TELECOM INC·Filed 1997·Granted Jul 21, 1998·81 cites·38 claims
- 1282US6141353ASubsequent frame variable data rate indication method for various variable data rate systemsOKI TELECOM INC·Filed 1997·Granted Oct 31, 2000·140 cites·43 claims
- 1380US6018655AImminent change warningOKI TELECOM INC·Filed 1997·Granted Jan 25, 2000·83 cites·29 claims
- 1477US6405038B1Cellular carrier selection system incorporating a preferred list of system identification codes (SIDs) corresponding to preferred cellular carriersOKI TELECOM INC·Filed 1995·Granted Jun 11, 2002·61 cites·8 claims
- 1575US6073035ASystem unavailablity power reduction method with early failure and no rotationOKI TELECOM INC·Filed 1996·Granted Jun 6, 2000·80 cites·18 claims
- 1673US6016427APreferred carrier selection methodOKI TELECOM INC·Filed 1998·Granted Jan 18, 2000·50 cites·29 claims
- 1773US5689815ASaturation prevention system for radio telephone with open and closed loop power control systemsOKI TELECOM INC·Filed 1995·Granted Nov 18, 1997·69 cites·55 claims
- 1872US5722068AImminent change warningOKI TELECOM INC·Filed 1994·Granted Feb 24, 1998·74 cites·19 claims
- 1967US6104919AIntermodulation distortion reduction circuit utilizing variable attenuationOKI TELECOM INC·Filed 1999·Granted Aug 15, 2000·32 cites·33 claims
- 2066US6070058ASaturation prevention system for radio telephone with open and closed loop power control systemsOKI TELECOM INC·Filed 1997·Granted May 30, 2000·47 cites·20 claims
- 2161US6185431B1Mobile station closed loop output power stability system for weak signal conditionsOKI TELECOM INC·Filed 1998·Granted Feb 6, 2001·50 cites·21 claims
- 2249US6026285AIntermodulation distortion reduction circuit utilizing variable attenuationOKI TELECOM INC·Filed 1997·Granted Feb 15, 2000·15 cites·23 claims
- 2338US6310870B1Method for transmitting high data rate information in code division multiple access systemsOKI TELECOM INC·Filed 1998·Granted Oct 30, 2001·9 cites·10 claims
- 2435US6263035B1System and method for adjusting a phase angle of a recovered data clock signal from a received data signalOKI TELECOM INC·Filed 1998·Granted Jul 17, 2001·16 cites·18 claims
- 2532US6137844ADigital filter for noise and error removal in transmitted analog signalsOKI TELECOM INC·Filed 1998·Granted Oct 24, 2000·12 cites·36 claims
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