Assignee
NEC RESEARCH INST INC
US·123 granted patents·7 pending applications·9,514 citations·filing 1990–2002
Top patents by PatentIndex Score
130 records- 0198US6278792B1Robust digital watermarkingNEC RESEARCH INST INC·Filed 2000·Granted Aug 21, 2001·176 cites·4 claims
- 0298US6154571ARobust digital watermarkingNEC RESEARCH INST INC·Filed 1998·Granted Nov 28, 2000·331 cites·10 claims
- 0398US5930369ASecure spread spectrum watermarking for multimedia dataNEC RESEARCH INST INC·Filed 1997·Granted Jul 27, 1999·915 cites·46 claims
- 0498US5848155ASpread spectrum watermark for embedded signallingNEC RESEARCH INST INC·Filed 1996·Granted Dec 8, 1998·540 cites·22 claims
- 0597US6441298B1Surface-plasmon enhanced photovoltaic deviceNEC RESEARCH INST INC·Filed 2000·Granted Aug 27, 2002·161 cites·49 claims
- 0697US6208735B1Secure spread spectrum watermarking for multimedia dataNEC RESEARCH INST INC·Filed 1999·Granted Mar 27, 2001·301 cites·10 claims
- 0797US6139626AThree-dimensionally patterned materials and methods for manufacturing same using nanocrystalsNEC RESEARCH INST INC·Filed 1998·Granted Oct 31, 2000·214 cites·87 claims
- 0897US6069914AWatermarking of image data using MPEG/JPEG coefficientsNEC RESEARCH INST INC·Filed 1996·Granted May 30, 2000·344 cites·18 claims
- 0997US6040936AOptical transmission control apparatus utilizing metal films perforated with subwavelength-diameter holesNEC RESEARCH INST INC·Filed 1998·Granted Mar 21, 2000·257 cites·71 claims
- 1097US5363305ANavigation system for a mobile robotNEC RESEARCH INST INC·Filed 1992·Granted Nov 8, 1994·252 cites·7 claims
- 1196US6289342B1Autonomous citation indexing and literature browsing using citation contextNEC RESEARCH INST INC·Filed 1998·Granted Sep 11, 2001·403 cites·8 claims
- 1296US6236033B1Enhanced optical transmission apparatus utilizing metal films having apertures and periodic surface topographyNEC RESEARCH INST INC·Filed 1998·Granted May 22, 2001·208 cites·58 claims
- 1395US6052238ANear-field scanning optical microscope having a sub-wavelength aperture array for enhanced light transmissionNEC RESEARCH INST INC·Filed 1999·Granted Apr 18, 2000·179 cites·8 claims
- 1495US5973316ASub-wavelength aperture arrays with enhanced light transmissionNEC RESEARCH INST INC·Filed 1997·Granted Oct 26, 1999·272 cites·12 claims
- 1594US5706497ADocument retrieval using fuzzy-logic inferenceNEC RESEARCH INST INC·Filed 1994·Granted Jan 6, 1998·153 cites·20 claims
- 1694US5692193ASoftware architecture for control of highly parallel computer systemsNEC RESEARCH INST INC·Filed 1994·Granted Nov 25, 1997·460 cites·21 claims
- 1793US6285020B1Enhanced optical transmission apparatus with improved inter-surface couplingNEC RESEARCH INST INC·Filed 1999·Granted Sep 4, 2001·186 cites·18 claims
- 1891US6038337AMethod and apparatus for object recognitionNEC RESEARCH INST INC·Filed 1996·Granted Mar 14, 2000·240 cites·10 claims
- 1991US5383013AStereoscopic computer vision systemNEC RESEARCH INST INC·Filed 1992·Granted Jan 17, 1995·113 cites·5 claims
- 2090US6496871B1Distributed agent software system and method having enhanced process mobility and communication in a computer networkNEC RESEARCH INST INC·Filed 1998·Granted Dec 17, 2002·222 cites·69 claims
- 2189US5736759AReduced fatigue ferroelectric elementNEC RESEARCH INST INC·Filed 1996·Granted Apr 7, 1998·79 cites·11 claims
- 2289US5696964AMultimedia database retrieval system which maintains a posterior probability distribution that each item in the database is a target of a searchNEC RESEARCH INST INC·Filed 1996·Granted Dec 9, 1997·169 cites·21 claims
- 2387US5745703ATransmission of higher-order objects across a network of heterogeneous machinesNEC RESEARCH INST INC·Filed 1995·Granted Apr 28, 1998·202 cites·16 claims
- 2486US6311260B1Method for perfetching structured dataNEC RESEARCH INST INC·Filed 1999·Granted Oct 30, 2001·161 cites·16 claims
- 2586US5532856APlanar optical mesh-connected tree interconnect networkNEC RESEARCH INST INC·Filed 1994·Granted Jul 2, 1996·84 cites·20 claims
- 2684US5448567AControl architecture for ATM networksNEC RESEARCH INST INC·Filed 1993·Granted Sep 5, 1995·124 cites·5 claims
- 2783US5170440APerceptual grouping by multiple hypothesis probabilistic data associationNEC RESEARCH INST INC·Filed 1991·Granted Dec 8, 1992·76 cites·2 claims
- 2882US6016376ATapered coherent fiber bundle imaging device for near-field optical microscopyNEC RESEARCH INST INC·Filed 1998·Granted Jan 18, 2000·64 cites·19 claims
- 2982US5627140AEnhanced flux pinning in superconductors by embedding carbon nanotubes with BSCCO materialsNEC RESEARCH INST INC·Filed 1995·Granted May 6, 1997·52 cites·37 claims
- 3082US5495356AMultidimensional switching networksNEC RESEARCH INST INC·Filed 1993·Granted Feb 27, 1996·72 cites·2 claims
- 3182US5333117AParallel MSD arithmetic using an opto-electronic shared content-addressable memory processorNEC RESEARCH INST INC·Filed 1993·Granted Jul 26, 1994·68 cites·15 claims
- 3281US6078688AMethod for image segmentation by minimizing the ratio between the exterior boundary cost and the cost of the enclosed regionNEC RESEARCH INST INC·Filed 1996·Granted Jun 20, 2000·78 cites·19 claims
- 3381US5953143AMultidimensional switching networksNEC RESEARCH INST INC·Filed 1995·Granted Sep 14, 1999·62 cites·6 claims
- 3481US5761386AMethod and apparatus for foreign exchange rate time series prediction and classificationNEC RESEARCH INST INC·Filed 1997·Granted Jun 2, 1998·105 cites·5 claims
- 3581US5659034ALayered vanadium oxide compositionsNEC RESEARCH INST INC·Filed 1995·Granted Aug 19, 1997·22 cites·1 claims
- 3679US5727080ADynamic histogram warping of image histograms for constant image brightness, histogram matching and histogram specificationNEC RESEARCH INST INC·Filed 1995·Granted Mar 10, 1998·72 cites·8 claims
- 3779US5495532ASecure electronic voting using partially compatible homomorphismsNEC RESEARCH INST INC·Filed 1994·Granted Feb 27, 1996·96 cites·28 claims
- 3878US6266452B1Image registration methodNEC RESEARCH INST INC·Filed 1999·Granted Jul 24, 2001·121 cites·22 claims
- 3978US5965283AGMR enhancement in inhomogeneous semiconductors for use in magnetoresistance sensorsNEC RESEARCH INST INC·Filed 1997·Granted Oct 12, 1999·41 cites·24 claims
- 4078US5414819AOptical interconnection networkNEC RESEARCH INST INC·Filed 1992·Granted May 9, 1995·63 cites·3 claims
- 4178US5191219AInformation processing apparatus including a planar optical waveguideNEC RESEARCH INST INC·Filed 1991·Granted Mar 2, 1993·49 cites·15 claims
- 4277US6489106B1Control of the expression of anchored genes using micron scale heatersNEC RESEARCH INST INC·Filed 2000·Granted Dec 3, 2002·13 cites·30 claims
- 4377US6034821AOptomechanical components for use as optical interconnectsNEC RESEARCH INST INC·Filed 1997·Granted Mar 7, 2000·48 cites·26 claims
- 4476US6104371AModular, high-intensity fiber optic backlight for color displaysNEC RESEARCH INST INC·Filed 1997·Granted Aug 15, 2000·68 cites·37 claims
- 4574US5579426AFiber image guide based bit-parallel computer interconnectNEC RESEARCH INST INC·Filed 1994·Granted Nov 26, 1996·39 cites·28 claims
- 4673US6058228ACost-effective side-coupling polymer fiber optics for optical interconnectionsNEC RESEARCH INST INC·Filed 1998·Granted May 2, 2000·27 cites·13 claims
- 4773US5629889ASuperconducting fault-tolerant programmable memory cell incorporating Josephson junctionsNEC RESEARCH INST INC·Filed 1995·Granted May 13, 1997·57 cites·20 claims
- 4872US6195228B1Thin, horizontal-plane hall sensors for read-heads in magnetic recordingNEC RESEARCH INST INC·Filed 1997·Granted Feb 27, 2001·23 cites·6 claims
- 4972US5377201ATransitive closure based process for generating test vectors for VLSI circuitNEC RESEARCH INST INC·Filed 1991·Granted Dec 27, 1994·43 cites·3 claims
- 5070US6046763AMaximum flow method for stereo correspondenceNEC RESEARCH INST INC·Filed 1997·Granted Apr 4, 2000·40 cites·8 claims
Showing the top 50 of 130 patent records by PatentIndex Score.
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