Patent assignee · US · COMPANY

NEC Laboratories America, Inc.

721Patents
662Active
721Granted
63Portfolio score

Filing activity: Jul 10, 1998 → Nov 3, 2020 · 253 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7346486B2 System and method for modeling, abstraction, and analysis of software Physics 261 Expired
US6999959B1 Meta search engine Emerging Cross-Sectional Technologies 191 Expired
US8091006B2 Spherical lattice codes for lattice and lattice-reduction-aided decoders Electricity 115 Active
US9253042B2 Network management Emerging Cross-Sectional Technologies 104 Active
US7516346B2 System and method for dynamically changing the power mode of storage disks based on redundancy and system load Emerging Cross-Sectional Technologies 98 Active
US6628845B1 Method for subpixel registration of images Physics 93 Expired
US8345984B2 3D convolutional neural networks for automatic human action recognition Physics 82 Active
US9184902B2 Interference cancellation for full-duplex communications Electricity 78 Active
US7019674B2 Content-based information retrieval architecture Electricity 74 Expired
US6996249B2 Applying informed coding, informed embedding and perceptual shaping to design a robust, high-capacity watermark Physics 71 Expired
US7747663B2 System and method for content addressable storage Physics 71 Active
US6856693B2 Watermarking with cone-forest detection regions Physics 69 Expired
US6834027B1 Surface plasmon-enhanced read/write heads for optical data storage media Physics 61 Expired
US8359223B2 Intelligent management of virtualized resources for cloud database systems Physics 58 Active
US6738493B1 Robust digital watermarking Electricity 56 Expired
US6738780B2 Autonomous citation indexing and literature browsing using citation context Emerging Cross-Sectional Technologies 55 Expired
US8442927B2 Dynamically configurable, multi-ported co-processor for convolutional neural networks Physics 52 Active
US6859549B1 Method for recovering 3D scene structure and camera motion from points, lines and/or directly from the image intensities Physics 51 Expired
US7839292B2 Real-time driving danger level prediction Performing Operations; Transporting 51 Active
US8874125B2 Radio access network sharing Electricity 50 Active
US9270379B2 Optical nyquist superchannel generation using microwave low-pass filtering and optical equalization Electricity 48 Active
US8874432B2 Systems and methods for semi-supervised relationship extraction Physics 46 Active
US7440615B2 Video foreground segmentation method Electricity 46 Active
US8341100B2 Epithelial layer detector and related methods Physics 46 Active
US8315969B2 Estimating a quantum state of a quantum mechanical system Performing Operations; Transporting 45 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.