Inventor · Northville, MI, US

Nancy L. Johnson

300Patents
30h-index
208Co-inventors
93Inventor score

Filing activity: Apr 5, 1999 → Mar 22, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7308738B2 Releasable fastener systems and processes Emerging Cross-Sectional Technologies 76 Expired
US7350851B2 Reversibly expandable energy absorbing assembly and methods for operating the same Mechanical Engineering; Lighting; Heating 70 Active
US6979050B2 Airflow control devices based on active materials Emerging Cross-Sectional Technologies 67 Expired
US7909403B2 Manipulable seat bolster utilizing active material actuation Performing Operations; Transporting 59 Active
US6910714B2 Energy absorbing assembly and methods for operating the same Mechanical Engineering; Lighting; Heating 58 Expired
US8100471B2 Adjustable seat ramp utilizing active material actuation Performing Operations; Transporting 55 Active
US7498926B2 Reversibly opening and closing a grille using active materials Emerging Cross-Sectional Technologies 53 Active
US7063377B2 Hood lift mechanisms utilizing active materials and methods of use Fixed Constructions 48 Expired
US7013536B2 Releasable fastener systems and processes Emerging Cross-Sectional Technologies 48 Expired
US7331616B2 Hood latch assemblies utilizing active materials and methods of use Emerging Cross-Sectional Technologies 48 Expired
US6815873B2 Releasable fastener system Mechanical Engineering; Lighting; Heating 46 Expired
US7188498B2 Reconfigurable tools and/or dies, reconfigurable inserts for tools and/or dies, and methods of use Emerging Cross-Sectional Technologies 45 Expired
US7484735B2 Reversible thermally expandable and/or contractible seal assemblies Emerging Cross-Sectional Technologies 41 Expired
US7448678B2 Active material actuated headrest assemblies Performing Operations; Transporting 40 Active
US7784819B2 Airbag system Performing Operations; Transporting 38 Active
US7500704B2 Compartment access system with active material component and method for controlling access to an interior compartment Fixed Constructions 38 Active
US7866737B2 Active material actuated louver system Mechanical Engineering; Lighting; Heating 37 Active
US7029056B2 Closure lockdown assemblies and methods utilizing active materials Emerging Cross-Sectional Technologies 37 Expired
US7429074B2 Airflow control devices based on active materials Emerging Cross-Sectional Technologies 36 Expired
US7594697B2 Active material actuated headrest assemblies Performing Operations; Transporting 36 Active
US7556313B2 Active material actuated headrest assemblies Performing Operations; Transporting 35 Active
US7758121B2 Active material based conformable and reconfigurable seats Performing Operations; Transporting 35 Active
US7905538B2 Active material based concealment devices for seams Performing Operations; Transporting 34 Active
US7029044B2 Tunable, healable vehicle impact devices Mechanical Engineering; Lighting; Heating 34 Expired
US6973701B2 Releasable fastening system based on ionic polymer metal composites and method of use Emerging Cross-Sectional Technologies 34 Expired

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