Inventor · Reading, GB

Jonathan James Stone

46Patents
14h-index
37Co-inventors
81Inventor score

Filing activity: Dec 17, 1991 → Oct 16, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5223926A Compression of video signals Electricity 161 Expired
US5384869A Image processing apparatus Electricity 108 Expired
US5260781A Data compression apparatus and method Electricity 86 Expired
US5612788A Video data compression apparatus for recording and reproducing compressed video data at their various compressed data rates Electricity 73 Expired
US5757973A Compression of image data seperated into frequency component data in a two dimensional spatial frequency domain Electricity 51 Expired
US5231487A Storage of video signals Electricity 40 Expired
US5835146A Video data compression Electricity 34 Expired
US5392071A Apparatus and method for processing image data Electricity 32 Expired
US5499373A Apparatus and methods for designing, analyzing or simulating signal processing functions Electricity 26 Expired
US5471594A Data formatter for formatting variable length data words into fixed length data words Electricity 26 Expired
US6791552B2 Digital video processing Physics 21 Expired
US8848066B2 Method and an apparatus for generating image content Electricity 20 Active
US5214502A Compression of video signals Electricity 19 Expired
US6523174B1 Data processing method using sub-operation metadata to determine execution sequencing prior to object loading Physics 17 Expired
US7352811B2 Data encoding apparatus and method Electricity 13 Expired
US8284238B2 Image processing apparatus and method Physics 11 Active
US7073065B2 Watermarked material processing Electricity 11 Expired
US5268905A Sub band filters Electricity 10 Expired
US7443982B2 Watermarking and transferring material Physics 9 Expired
US5684896A Data compression Electricity 8 Expired
US7818577B2 Identifying material using a watermark and a signature Electricity 8 Expired
US5613091A Data compression Electricity 7 Expired
US8855471B2 Media generation system Electricity 7 Active
US8238435B2 Modifying bitstreams Physics 6 Active
US5926612A Apparatus for recording data with a multi-level arrangement of error correction coding Electricity 6 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.