Inventor · North Billerica, MA, US

Subhakar Dey

21Patents
3h-index
17Co-inventors
56Inventor score

Filing activity: Jan 5, 2004 → Dec 23, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7355045B2 Isotopically enriched N-substituted piperazine acetic acids and methods for the preparation thereof Chemistry; Metallurgy 20 Expired
US8617898B2 Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof Emerging Cross-Sectional Technologies 3 Active
US7906341B2 Methods, mixtures, kits and compositions pertaining to analyte determination Emerging Cross-Sectional Technologies 3 Active
US8236565B2 Tagging reagents and methods for hydroxylated compounds Emerging Cross-Sectional Technologies 2 Active
US9188596B2 Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof Emerging Cross-Sectional Technologies 1 Active
US8372653B2 Mass tag reagents for simultaneous quantitation and identification of small molecules Emerging Cross-Sectional Technologies 1 Active
US9257267B2 Composition, method, and kit for calibrating a mass spectrometer Electricity 0 Active
US10281468B2 Microbial identification and quantitation using MS cleavable tags Physics 0 Active
US9874575B2 Analysis of estradiol and analytes with phenolic OH using labeling chemistry and LC-MSMS workflow Emerging Cross-Sectional Technologies 0 Active
US8569304B2 Active esters of N-substituted piperazine acetic acids, including isotopically enriched versions thereof Chemistry; Metallurgy 0 Active
US11879898B2 Method for measuring testosterone using LC-MSMS Physics 0 Active
US11549944B2 Microbial identification and quantitation using MS cleavable tags Physics 0 Active
US9964552B2 Mass spectrometric identification and/or quantitation of catecholamines using aminopyrazoles Physics 0 Active
US8853133B2 Analyte determination utilizing mass tagging reagents comprising a non-encoded detectable label Physics 0 Active
US8492163B2 Methods, mixtures, kits and compositions pertaining to analyte determination Emerging Cross-Sectional Technologies 0 Active
US10094809B2 Specific analysis of ketone and aldehyde analytes using reagent compounds, labeling strategies, and mass spectrometry workflow Emerging Cross-Sectional Technologies 0 Active
US9500622B2 Specific analysis of ketone and aldehyde analytes using reagent compounds, labeling strategies, and mass spectrometry workflow Emerging Cross-Sectional Technologies 0 Active
US8501498B2 Mass tags for quantitative analyses Emerging Cross-Sectional Technologies 0 Active
US7892737B2 Compositions, kits and methods pertaining to stability modulation of PNA oligomer/nucleic acid complexes Chemistry; Metallurgy 0 Active
US8975404B2 Labeling reagents for analyte determination and methods and compounds used in making the same Physics 0 Active
US8362242B2 Analyte determination utilizing mass tagging reagents comprising a non-encoded detectable label Physics 0 Active

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