Inventor · Newbury, GB

Robert A. Smith

108Patents
56h-index
82Co-inventors
93Inventor score

Filing activity: Dec 2, 1974 → Nov 29, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6081735A Signal processing apparatus Physics 1,506 Expired
US5632272A Signal processing apparatus Physics 1,344 Expired
US6584336B1 Universal/upgrading pulse oximeter Human Necessities 1,315 Expired
US6157850A Signal processing apparatus Physics 1,310 Expired
USRE38476E1 Signal processing apparatus General 1,212 Expired
US5890929A Shielded medical connector Emerging Cross-Sectional Technologies 1,166 Expired
US6650917B2 Signal processing apparatus Physics 1,161 Expired
US7215984B2 Signal processing apparatus Physics 1,137 Expired
US5995855A Pulse oximetry sensor adapter Emerging Cross-Sectional Technologies 1,135 Expired
US6236872A Signal processing apparatus Physics 1,129 Expired
US6745060B2 Signal processing apparatus Physics 1,118 Expired
US6770028B1 Dual-mode pulse oximeter Human Necessities 1,115 Expired
US6349228B1 Pulse oximetry sensor adapter Emerging Cross-Sectional Technologies 1,044 Expired
US6993371B2 Pulse oximetry sensor adaptor Emerging Cross-Sectional Technologies 1,037 Expired
US6597933B2 Pulse oximetry sensor adapter Emerging Cross-Sectional Technologies 1,025 Expired
US7015451B2 Power supply rail controller Human Necessities 994 Expired
US7254433B2 Signal processing apparatus Physics 966 Expired
US7215986B2 Signal processing apparatus Physics 908 Expired
US7500950B2 Multipurpose sensor port Physics 903 Active
US8050728B2 Multiple wavelength sensor drivers Emerging Cross-Sectional Technologies 896 Active
US7383070B2 Signal processing apparatus Physics 885 Expired
US7764982B2 Multiple wavelength sensor emitters Emerging Cross-Sectional Technologies 884 Active
US7530949B2 Dual-mode pulse oximeter Human Necessities 852 Active
US7376453B1 Signal processing apparatus Physics 847 Expired
US7328053B1 Signal processing apparatus Physics 840 Expired

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