Assignee
NEC AMERICA INC
US·48 granted patents·3 pending applications·2,206 citations·filing 1991–2007
Top patents by PatentIndex Score
51 records- 0192US5473274ALocal clock generatorNEC AMERICA INC·Filed 1992·Granted Dec 5, 1995·99 cites·7 claims
- 0292US5367598AInterface chassis for fiber optic transport systemNEC AMERICA INC·Filed 1993·Granted Nov 22, 1994·289 cites·8 claims
- 0390US5412652ASonet ring subnetwork management methodNEC AMERICA INC·Filed 1993·Granted May 2, 1995·165 cites·29 claims
- 0489US5631897AApparatus and method for incorporating a large number of destinations over circuit-switched wide area network connectionsNEC AMERICA INC·Filed 1993·Granted May 20, 1997·234 cites·65 claims
- 0588US6708044B1Apparatus and method for automated band selection via synthesizer bit insertionNEC AMERICA INC·Filed 2000·Granted Mar 16, 2004·76 cites·42 claims
- 0686US5815490ASDH ring high order path managementNEC AMERICA INC·Filed 1995·Granted Sep 29, 1998·106 cites·30 claims
- 0785US5355362ADigital loop carrier systemNEC AMERICA INC·Filed 1992·Granted Oct 11, 1994·93 cites·28 claims
- 0884US5412651AStructure and method for combining PCM and common control data on a backplane busNEC AMERICA INC·Filed 1993·Granted May 2, 1995·69 cites·19 claims
- 0983US7124156B2Apparatus and method for immediate non-sequential state transition in a PN code generatorNEC AMERICA INC·Filed 2003·Granted Oct 17, 2006·17 cites·88 claims
- 1082US6445786B2Telemanagement system with single point of entryNEC AMERICA INC·Filed 2001·Granted Sep 3, 2002·15 cites·2 claims
- 1182US5315164AAdaptive clock duty cycle controllerNEC AMERICA INC·Filed 1993·Granted May 24, 1994·45 cites·5 claims
- 1280US6473504B2Telemanagement system with single point of entryNEC AMERICA INC·Filed 2001·Granted Oct 29, 2002·19 cites·1 claims
- 1378US6625272B2Telemanagement system with single point of entryNEC AMERICA INC·Filed 2001·Granted Sep 23, 2003·16 cites·14 claims
- 1478US6504924B2Telemanagement system with single point of entryNEC AMERICA INC·Filed 2001·Granted Jan 7, 2003·16 cites·1 claims
- 1578US5848065AOptimized universal card slot system for sonet multiplex equipmentNEC AMERICA INC·Filed 1996·Granted Dec 8, 1998·43 cites·21 claims
- 1676US5337351AFeature interaction arbitratorNEC AMERICA INC·Filed 1992·Granted Aug 9, 1994·75 cites·20 claims
- 1774US5398236AAsynchronous transfer mode link recovery mechanismNEC AMERICA INC·Filed 1993·Granted Mar 14, 1995·85 cites·5 claims
- 1874US5165091AFirmware download from a remote terminal to an optical network terminal in a digital loop carrier systemNEC AMERICA INC·Filed 1991·Granted Nov 17, 1992·69 cites·19 claims
- 1971US6504443B1Common anode varactor tuned LC circuitNEC AMERICA INC·Filed 2000·Granted Jan 7, 2003·22 cites·34 claims
- 2071US5781410ADensely packed telecommunications equipment enclosureNEC AMERICA INC·Filed 1996·Granted Jul 14, 1998·44 cites·34 claims
- 2171US5390180ASONET DS-N desynchronizerNEC AMERICA INC·Filed 1994·Granted Feb 14, 1995·42 cites·17 claims
- 2270USD427984SCellular telephoneNEC AMERICA INC·Filed 1999·Granted Jul 11, 2000·17 cites·1 claims
- 2369US5311511ASONET DS-N desynchronizerNEC AMERICA INC·Filed 1993·Granted May 10, 1994·38 cites·30 claims
- 2468US6580709B1Sonet system and method which performs TSI functions on the backplane and uses PCM buses partitioned into 4-bit wide parallel busesNEC AMERICA INC·Filed 1999·Granted Jun 17, 2003·33 cites·51 claims
- 2568US5878039ABus rate adaptation and time slot assignment circuit for a sonet multiplex systemNEC AMERICA INC·Filed 1996·Granted Mar 2, 1999·33 cites·25 claims
- 2667US6498839B2Telemanagement system with modular features and database synchronizationNEC AMERICA INC·Filed 2001·Granted Dec 24, 2002·8 cites·24 claims
- 2766US5630303ARemote enclosure anchor frame and installation methodNEC AMERICA INC·Filed 1995·Granted May 20, 1997·28 cites·13 claims
- 2865USD325909SCombined mobile cellular telephone handset and transporterNEC AMERICA INC·Filed 1991·Granted May 5, 1992·15 cites·1 claims
- 2962US6411700B1Telemanagement system with single point of entryNEC AMERICA INC·Filed 1998·Granted Jun 25, 2002·25 cites·17 claims
- 3062US6314283B1Cellular phone subsidy lockNEC AMERICA INC·Filed 1999·Granted Nov 6, 2001·67 cites·11 claims
- 3161US5678004AAuthentication apparatus and processNEC AMERICA INC·Filed 1996·Granted Oct 14, 1997·46 cites·39 claims
- 3261US5406455ASnap-in card guideNEC AMERICA INC·Filed 1993·Granted Apr 11, 1995·23 cites·4 claims
- 3356US5307407A20 Hz ring generator using high frequency PWM controlNEC AMERICA INC·Filed 1991·Granted Apr 26, 1994·26 cites·20 claims
- 3455US6314478B1System for accessing a space appended to a circular queue after traversing an end of the queue and upon completion copying data back to the queueNEC AMERICA INC·Filed 1998·Granted Nov 6, 2001·45 cites·34 claims
- 3552US6728210B1Multi-logical access for a serial data linkNEC AMERICA INC·Filed 1998·Granted Apr 27, 2004·39 cites·42 claims
- 3652USD407397SAnalog cellular telephoneNEC AMERICA INC·Filed 1997·Granted Mar 30, 1999·9 cites·1 claims
- 3751US2001025258A1Method for product support servicesNEC AMERICA INC·Filed 2001·Application pending·0 cites
- 3846US5337208AIn-line AC current limiterNEC AMERICA INC·Filed 1991·Granted Aug 9, 1994·14 cites·16 claims
- 3946US5195110AClock recovery and decoder circuit for a CMI-encoded signalNEC AMERICA INC·Filed 1991·Granted Mar 16, 1993·17 cites·25 claims
- 4045US6721414B1Cable management systemNEC AMERICA INC·Filed 1999·Granted Apr 13, 2004·23 cites·18 claims
- 4144US5113187ACMI encoder circuitNEC AMERICA INC·Filed 1991·Granted May 12, 1992·10 cites·7 claims
- 4242US6529599B1Flexible tributary unit protection method for a trunk-multiplexed metallic interfaceNEC AMERICA INC·Filed 1998·Granted Mar 4, 2003·9 cites·24 claims
- 4342US2008199189A1Colorless optical demodulator for differential quadrature phase shift keying dwdm systemsNEC AMERICA INC·Filed 2007·Application pending·0 cites
- 4439USD431538SDigital cellular telephoneNEC AMERICA INC·Filed 1998·Granted Oct 3, 2000·4 cites·1 claims
- 4538US6185083B1Protected telecommunication test adapter moduleNEC AMERICA INC·Filed 1998·Granted Feb 6, 2001·9 cites·6 claims
- 4637US2005243809A1System and method for configuration of Cisco's callmanager VoIP telephonyNEC AMERICA INC·Filed 2004·Application pending·0 cites
- 4736US5180987ADC-to-AC symmetrical sine wave generatorNEC AMERICA INC·Filed 1991·Granted Jan 19, 1993·8 cites·12 claims
- 4835US5510786ACMI encoder circuitNEC AMERICA INC·Filed 1994·Granted Apr 23, 1996·7 cites·23 claims
- 4934US6157232ALocal clock generatorNEC AMERICA INC·Filed 1999·Granted Dec 5, 2000·7 cites·6 claims
- 5034USD421003SAnalog cellular telephoneNEC AMERICA INC·Filed 1998·Granted Feb 22, 2000·3 cites·1 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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