Inventor · Tokyo, JP

Motoki Kato

223Patents
32h-index
64Co-inventors
93Inventor score

Filing activity: Jan 15, 1993 → Nov 11, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5559557A Motion video coding with adaptive precision for DC component coefficient quantization and variable length coding Electricity 185 Expired
US7236687B2 Information processing apparatus and method, program, and recording medium Electricity 150 Expired
US5666461A High efficiency encoding and decoding of picture signals and recording medium containing same Electricity 140 Expired
US6040863A Method of coding and decoding motion vector and apparatus therefor, and method of coding and decoding picture signal and apparatus therefor Electricity 122 Expired
US5428396A Variable length coding/decoding method for motion vectors Electricity 119 Expired
US6324216A Video coding selectable between intra-frame prediction/field-based orthogonal transformation and inter-frame prediction/frame-based orthogonal transformation Electricity 111 Expired
US5946042A Macroblock coding including difference between motion vectors Electricity 104 Expired
US5543847A Picture coding and decoding method for random accessing Electricity 92 Expired
US6795499B1 Encoding apparatus and method, and multiplexing apparatus and method Electricity 90 Expired
US6434275B1 Block distortion reduction method and device and encoding method and device Electricity 80 Expired
US6057893A Picture encoding method, picture encoding apparatus, picture transmitting method and picture recording medium Electricity 70 Expired
US6999674B1 Recording/reproduction apparatus and method as well as recording medium Electricity 67 Expired
US6188700A Method and apparatus for encoding MPEG signals using variable rate encoding and dynamically varying transmission buffers Electricity 62 Expired
US7394851B2 Encoding apparatus and method, and multiplexing apparatus and method Electricity 60 Active
US6236806A Field detection apparatus and method, image coding apparatus and method, recording medium, recording method and transmission method Electricity 58 Expired
US7661000B2 Information processing device, information recording medium and information processing method, and computer program Physics 56 Active
US5719986A Video signal encoding method Electricity 55 Expired
US7106946B1 Transport stream processing device, and associated methodology of generating and aligning source data packets in a physical data structure Electricity 52 Expired
US6271774A Picture data processor, picture data decoder and picture data encoder, and methods thereof Electricity 51 Expired
US7477833B2 Information processing apparatus and method, program, and recorded medium specifying particular picture characteristics Electricity 51 Expired
US6415055B1 Moving image encoding method and apparatus, and moving image decoding method and apparatus Electricity 51 Expired
US6151360A Method for encoding video signal using statistical information Electricity 48 Expired
US5771357A Encoding/decoding fields of predetermined field polarity apparatus and method Electricity 44 Expired
US6226327A Video coding method and apparatus which select between frame-based and field-based predictive modes Electricity 42 Expired
US6167087A Picture signal encoding method and apparatus and signal recording medium Electricity 40 Expired

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