Inventor · Ipswich, GB

Ivan Boyd

12Patents
5h-index
8Co-inventors
59Inventor score

Filing activity: May 3, 1988 → Apr 19, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5276765A Voice activity detection Physics 114 Expired
US4991214A Speech coding using sparse vector codebook and cyclic shift techniques Physics 19 Expired
US9673970B1 Methods and systems for estimating frequency synchronization accuracy Electricity 16 Active
US4864621A Method of speech coding Physics 9 Expired
US8582976B2 Transmission of broadband signals Emerging Cross-Sectional Technologies 6 Active
US10284414B2 Systems and methods for estimating skew Electricity 4 Active
US10608764B2 Methods and systems for synchronization using delay asymmetry Electricity 2 Active
USRE35057E Speech coding using sparse vector codebook and cyclic shift techniques General 1 Expired
US9894587B2 Methods and systems for estimating frequency synchronization accuracy Electricity 1 Active
US9571266B1 Methods and systems for estimating skew Electricity 1 Active
US11586674B2 Methods and systems for searching Physics 0 Active
US8625763B2 Telecommunications calls Electricity 0 Active

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