Inventor · Verona, WI, US

Michael J. Root

40Patents
11h-index
48Co-inventors
75Inventor score

Filing activity: Oct 16, 1995 → Oct 12, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6878481B2 Method and apparatus for regulating charging of electrochemical cells Emerging Cross-Sectional Technologies 51 Expired
US7288920B2 Method and apparatus for regulating charging of electrochemical cells Emerging Cross-Sectional Technologies 39 Expired
US7985500B2 Method and apparatus for flexible battery for implantable device Emerging Cross-Sectional Technologies 19 Active
US6087030A Electrochemical cell anode and high discharge rate electrochemical cell employing same Emerging Cross-Sectional Technologies 19 Expired
US7860564B2 Method and apparatus for a small power source for an implantable device Emerging Cross-Sectional Technologies 18 Active
US8301242B2 Method and apparatus for a small power source for an implantable device Emerging Cross-Sectional Technologies 17 Active
US8311627B2 Method and apparatus for a small power source for an implantable device Emerging Cross-Sectional Technologies 16 Active
US5932367A Low mercury, high discharge rate electrochemical cell Emerging Cross-Sectional Technologies 16 Expired
US7859220B2 Method and apparatus for charging electrochemical cells Electricity 15 Active
US8644922B2 Method and apparatus for a small power source for an implantable device Emerging Cross-Sectional Technologies 15 Active
US5721065A Low mercury, high discharge rate electrochemical cell Emerging Cross-Sectional Technologies 12 Expired
US7813801B2 Implantable medical device powered by rechargeable battery Human Necessities 11 Active
US8873220B2 Systems and methods to connect sintered aluminum electrodes of an energy storage device Human Necessities 10 Active
US7372237B2 Method and apparatus for regulating charging of electrochemical cells using cell temperature increase rate Electricity 8 Expired
US9129749B2 Sintered electrodes to store energy in an implantable medical device Human Necessities 8 Active
US9123470B2 Implantable energy storage device including a connection post to connect multiple electrodes Human Necessities 8 Active
US7557542B2 Apparatus for regulating charging of electrochemical cells Electricity 6 Active
US9424997B2 Systems and methods to connect sintered aluminum electrodes of an energy storage device Human Necessities 4 Active
US8532760B2 Method and apparatus for a small power source for an implantable device Emerging Cross-Sectional Technologies 3 Active
US8868187B2 Battery depth of discharge in an implantable device Human Necessities 3 Active
US9721731B2 Systems and methods to connect sintered aluminum electrodes of an energy storage device Human Necessities 3 Active
US11253711B2 Implantable energy storage device including a connection post to connect multiple electrodes Human Necessities 3 Active
US10096429B2 Systems and methods to connect sintered aluminum electrodes of an energy storage device Human Necessities 2 Active
US8841019B2 Implantable medical device including eddy current reducing battery Emerging Cross-Sectional Technologies 2 Active
US9275801B2 Systems and methods for enhanced dielectric properties for electrolytic capacitors Emerging Cross-Sectional Technologies 1 Active

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