Inventor · Ipswich, GB

Philip Gray

13Patents
7h-index
5Co-inventors
59Inventor score

Filing activity: Jun 18, 1990 → Jul 14, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6119083A Training process for the classification of a perceptual signal Electricity 31 Expired
US6035270A Trained artificial neural networks using an imperfect vocal tract model for assessment of speech signal quality Electricity 18 Expired
US5126885A Control device for electrically controlled rearview mirror Performing Operations; Transporting 17 Expired
US5169174A Seat belt shoulder strap adjustment guide apparatus Performing Operations; Transporting 15 Expired
US5799133A Training process Electricity 15 Expired
US5472236A Seat belt shoulder strap adjustment guide apparatus Performing Operations; Transporting 13 Expired
US7606704B2 Quality assessment tool Physics 7 Expired
US8682650B2 Speech-quality assessment method and apparatus that identifies part of a signal not generated by human tract Physics 4 Active
US7978613B2 Test signalling Electricity 3 Expired
US7050924B2 Test signalling Electricity 2 Expired
US7567548B2 Method to reduce the distortion in a voice transmission over data networks Electricity 1 Expired
US7058713B2 Method to assess the quality of a voice communication over packet networks Electricity 1 Expired
US11292949B2 Heat transfer fluid composition and use Chemistry; Metallurgy 0 Active

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