Inventor · Murrysville, PA, US

Keith E. LeJeune

14Patents
6h-index
24Co-inventors
66Inventor score

Filing activity: Nov 17, 1999 → Feb 13, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6291200A Enzyme-containing polymeric sensors Physics 227 Expired
US6759220B1 Enzyme-containing polyurethanes Chemistry; Metallurgy 37 Expired
US6642037B2 Preparation of enzymatically active sponges or foams for detoxification of hazardous compounds Chemistry; Metallurgy 9 Expired
US6762213B2 Buffer polymers, co-immobile buffer and enzyme polymers and methods of synthesis thereof Chemistry; Metallurgy 9 Expired
US6673565B2 Enzymatic polymeric sensors Physics 6 Expired
US6406876B1 Immobilized enzymes biosensors for chemical toxins Emerging Cross-Sectional Technologies 6 Expired
US6750033B2 Positive response biosensors and other sensors Emerging Cross-Sectional Technologies 4 Expired
US7560271B2 Seafood spoilage indicator Physics 3 Active
US7422892B2 Enzyme-based device for environmental monitoring Chemistry; Metallurgy 3 Expired
US8470525B2 Method for analyzing air Physics 2 Active
US8017352B2 Seafood spoilage indicator Physics 1 Active
US11120681B2 Method and system for monitoring hand hygiene compliance Physics 0 Active
US6861252B2 Sensors for the detection of an analyte Physics 0 Expired
US11066366B2 Hydrophilic fentanyl derivatives Chemistry; Metallurgy 0 Active

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