Inventor · Roseville, MN, US

William G. Howard

43Patents
24h-index
34Co-inventors
85Inventor score

Filing activity: Nov 12, 1980 → Apr 6, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7337010B2 Medical device having lithium-ion battery Emerging Cross-Sectional Technologies 411 Expired
US5439760A High reliability electrochemical cell and electrode assembly therefor Emerging Cross-Sectional Technologies 193 Expired
US7505816B2 Actively cooled external energy source, external charger, system of transcutaneous energy transfer, system of transcutaneous charging and method therefore Human Necessities 177 Active
US6040082A Volumetrically efficient battery for implantable medical devices Emerging Cross-Sectional Technologies 98 Expired
US7582387B2 Lithium-ion battery Emerging Cross-Sectional Technologies 91 Active
US7641992B2 Medical device having lithium-ion battery Emerging Cross-Sectional Technologies 74 Active
US6650942B2 Implantable medical device with dual cell power source Human Necessities 68 Expired
US7635541B2 Method for charging lithium-ion battery Emerging Cross-Sectional Technologies 67 Active
US5434017A Isolated connection for an electrochemical cell Electricity 66 Expired
US7682745B2 Medical device having lithium-ion battery Emerging Cross-Sectional Technologies 65 Active
US5344431A Method and apparatus for determination of end-of-service for implantable devices Emerging Cross-Sectional Technologies 65 Expired
US7563541B2 Lithium-ion battery Emerging Cross-Sectional Technologies 62 Active
US5180642A Electrochemical cells with end-of-service indicator Emerging Cross-Sectional Technologies 61 Expired
US7642013B2 Medical device having lithium-ion battery Emerging Cross-Sectional Technologies 59 Active
US7662509B2 Lithium-ion battery Emerging Cross-Sectional Technologies 56 Expired
US4666799A Current collectors for batteries having cathode-electrolytes and batteries incorporating same Electricity 39 Expired
US5154989A Energy storage device Emerging Cross-Sectional Technologies 37 Expired
US8105714B2 Lithium-ion battery Emerging Cross-Sectional Technologies 34 Active
US7803481B2 Lithium-ion battery Emerging Cross-Sectional Technologies 32 Active
US6051038A Method for making a high reliability electrochemical cell and electrode assembly therefor Emerging Cross-Sectional Technologies 29 Expired
US7794869B2 Lithium-ion battery Emerging Cross-Sectional Technologies 29 Active
US7858236B2 Lithium-ion battery Emerging Cross-Sectional Technologies 27 Active
US7883790B2 Method of preventing over-discharge of battery Emerging Cross-Sectional Technologies 27 Active
US9077022B2 Lithium-ion battery Emerging Cross-Sectional Technologies 26 Active
US7807299B2 Lithium-ion battery Emerging Cross-Sectional Technologies 22 Active

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