Inventor · Cameron Park, CA, US

Richard A. Smith

104Patents
21h-index
75Co-inventors
93Inventor score

Filing activity: Mar 10, 1975 → Aug 30, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5166207A Method for enhancing the systemic delivery of dextromethorphan for the treatment of neurological disorders Human Necessities 162 Expired
US5350756A Use of a cytochrome oxidase inhibitor to increase the cough-suppressing activity of dextromorphan Human Necessities 154 Expired
US5206248A Method for reducing emotional lability Human Necessities 148 Expired
US5902248A Reduced size catheter tip measurement device Human Necessities 146 Expired
US7659282B2 Pharmaceutical compositions comprising dextromethorphan and quinidine for the treatment of neurological disorders Human Necessities 138 Active
US6207674A Dextromethorphan and oxidase inhibitor for weaning patients from narcotics and anti-depressants Human Necessities 138 Expired
US8227484B2 Pharmaceutical compositions comprising dextromethorphan and quinidine for the treatment of neurological disorders Human Necessities 131 Active
US6891811B1 Short messaging service center mobile-originated to HTTP internet communications Electricity 90 Expired
US5586021A Method and system for production planning Emerging Cross-Sectional Technologies 89 Expired
US5826040A Method and system for production planning Emerging Cross-Sectional Technologies 60 Expired
US7522911B2 Wireless chat automatic status tracking Electricity 45 Expired
US8274377B2 Information collecting and decision making via tiered information network systems Electricity 45 Active
US7355990B2 Mobile-originated to HTTP internet communications Electricity 36 Expired
US5863927A Dextromethorphan and an oxidase inhibitor for treating intractable conditions Human Necessities 36 Expired
US5192931A Dual channel glass break detector Physics 31 Expired
US6871215B2 Universal mail wireless e-mail reader Electricity 29 Expired
US7519654B1 Web gateway multi-carrier support Electricity 28 Expired
USRE38115E1 Dextromethorphan and an oxidase inhibitor for treating intractable conditions General 25 Expired
US4533325A Method and apparatus to produce artificial teeth for dentures Chemistry; Metallurgy 24 Expired
USD501679S1 Flask holder General 23 Expired
US4134496A Device for protecting a corner of an article Performing Operations; Transporting 21 Expired
US6839562B2 Intelligent delivery agent for short message distribution center Electricity 21 Expired
USD698497S1 Lip balm tube holder General 20 Active
US4285932A Enzyme derivatives for use in the treatment of venous thrombosis Human Necessities 20 Expired
US7228333B1 Wireless internet gateway Electricity 20 Expired

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