Inventor · Sacramento, CA, US

Richard A. Lewis

26Patents
12h-index
13Co-inventors
78Inventor score

Filing activity: Nov 3, 1975 → Aug 26, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8852256B2 Methods for intraocular shunt placement Human Necessities 57 Active
US9017276B2 Shunt placement through the sclera Human Necessities 54 Active
US9693901B2 Shunt placement through the sclera Human Necessities 45 Active
US9393153B2 Methods for intraocular shunt placement Human Necessities 41 Active
US9808373B2 Intraocular shunt implantation Human Necessities 28 Active
US4966757A Sulfur dioxide generator Chemistry; Metallurgy 22 Expired
US10080682B2 Intrascleral shunt placement Human Necessities 16 Active
US10369048B2 Intraocular shunt implantation Human Necessities 16 Active
US5968641A Compliant thermoset matrix, fiber reinforced, syntactic foam sandwich panel Emerging Cross-Sectional Technologies 15 Expired
US9980854B2 Shunt placement through the sclera Human Necessities 14 Active
US10307293B2 Methods for intraocular shunt placement Human Necessities 14 Active
US5120599A Controlled elongation fiber reinforced elastomeric fabric Emerging Cross-Sectional Technologies 13 Expired
US4054923A Belt driven tape transport with re-positioned reel Physics 10 Expired
US7590511B2 Field device for digital process control loop diagnostics Physics 9 Active
US4168811A Reel to retain a tape leader strip in wound position Physics 8 Expired
US4072279A Belt drive for tape transport, with floating rotor drive pressure application Physics 8 Expired
US4878064A Continuous ink jet stimulation adjustment based on overdrive detection Performing Operations; Transporting 6 Expired
US4897666A Continuous ink jet stimulation adjustment using improved overdrive detection Performing Operations; Transporting 5 Expired
US5275170A Cardiac monitor mounting bracket for ambulance cot Human Necessities 4 Expired
US4042189A Tape leader characterized by differential bending stiffness Physics 3 Expired
US6579404B2 Method of making precision geometry advanced composite honeycomb material for spacecraft applications and honeycomb material made thereby Emerging Cross-Sectional Technologies 3 Expired
US4236965A Target assembly Physics 2 Expired
US4072280A Tape and/or film handling mechanism Physics 2 Expired
US6249642A Extended play radio vision cassette recorder system and method of operating same Electricity 1 Expired
US11298264B2 Intraocular shunt implantation Human Necessities 0 Active

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