Subhasish Purkayastha

Person

Acton, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Integrated sample processing system with multiple detection capability
- Patent number 11,988,670
- Issue date May 21, 2024
- Beckman Coulter, Inc.
- Aaron Hudson
- G01 - MEASURING TESTING
Information Patent Grant
Integrated sample processing system with variable workflows
- Patent number 11,619,623
- Issue date Apr 4, 2023
- Beckman Coulter, Inc.
- Aaron Hudson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microbial identification and quantitation using MS cleavable tags
- Patent number 11,549,944
- Issue date Jan 10, 2023
- DH Technologies Development Pte. Ltd.
- Subhasish Purkayastha
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Integrated sample processing system with multiple detection capability
- Patent number 11,402,386
- Issue date Aug 2, 2022
- Beckman Coulter, Inc.
- Aaron Hudson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic elements for processing fluids
- Patent number 10,656,147
- Issue date May 19, 2020
- DH Technologies Development Pte. Ltd.
- John L. Campbell
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Microbial identification and quantitation using MS cleavable tags
- Patent number 10,281,468
- Issue date May 7, 2019
- DH Technologies Development Pte. Ltd.
- Subhasish Purkayastha
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Specific analysis of ketone and aldehyde analytes using reagent com...
- Patent number 10,094,809
- Issue date Oct 9, 2018
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Analysis of a panel of cerebrotendinous xanthomatosis biomarkers us...
- Patent number 10,078,091
- Issue date Sep 18, 2018
- DH Technologies Development Pte. Ltd.
- Andrea DeBarber
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and method for the detection of allergens
- Patent number 9,970,942
- Issue date May 15, 2018
- DH Technologies Development Pte. Ltd.
- Stephen J. Lock
- G01 - MEASURING TESTING
Information Patent Grant
Mass spectrometric identification and/or quantitation of catecholam...
- Patent number 9,964,552
- Issue date May 8, 2018
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Analysis of estradiol and analytes with phenolic OH using labeling...
- Patent number 9,874,575
- Issue date Jan 23, 2018
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Grant
Mass spectrometry quantitation of P450 isoforms in hepatocytes
- Patent number 9,546,393
- Issue date Jan 17, 2017
- DH Technologies Development Pte. Ltd.
- Brian L. Williamson
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Specific analysis of ketone and aldehyde analytes using reagent com...
- Patent number 9,500,622
- Issue date Nov 22, 2016
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composition, method, and kit for calibrating a mass spectrometer
- Patent number 9,257,267
- Issue date Feb 9, 2016
- DH Technologies Development Pte. Ltd.
- Subhakar N. Dey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Quantitative analysis of vitamin D3, vitamin D2, and metabolites th...
- Patent number 9,188,596
- Issue date Nov 17, 2015
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Grant
Labeling reagents for analyte determination and methods and compoun...
- Patent number 8,975,404
- Issue date Mar 10, 2015
- DH Technologies Development Pte. Ltd.
- Sasi K. Pillai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mass spectrometry quantitation of P450 isoforms in hepatocytes
- Patent number 8,940,545
- Issue date Jan 27, 2015
- DH Technologies Development Pte. Ltd.
- Brian L. Williamson
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Analyte determination utilizing mass tagging reagents comprising a...
- Patent number 8,853,133
- Issue date Oct 7, 2014
- DH Technologies Development Pte. Ltd.
- Subhasish Purkayastha
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quantitative analysis of vitamin D3, vitamin D2, and metabolites th...
- Patent number 8,617,898
- Issue date Dec 31, 2013
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Grant
Amine-containing compound analysis methods
- Patent number 8,569,071
- Issue date Oct 29, 2013
- DH Technologies Development Pte. Ltd.
- Subodh B. Nimkar
- G01 - MEASURING TESTING
Information Patent Grant
Active esters of N-substituted piperazine acetic acids, including i...
- Patent number 8,569,304
- Issue date Oct 29, 2013
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mass tags for quantitative analyses
- Patent number 8,501,498
- Issue date Aug 6, 2013
- DH Technologies Development Pte. Ltd.
- Xiongwei Yan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods, mixtures, kits and compositions pertaining to analyte dete...
- Patent number 8,492,163
- Issue date Jul 23, 2013
- DH Technologies Development Pte. Ltd.
- Subhasish Purkayastha
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mass tag reagents for simultaneous quantitation and identification...
- Patent number 8,372,653
- Issue date Feb 12, 2013
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Grant
Analyte determination utilizing mass tagging reagents comprising a...
- Patent number 8,362,242
- Issue date Jan 29, 2013
- DH Technologies Development Pte. Ltd.
- Subhasish Purkayastha
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isobarically labeled analytes and fragment ions derived therefrom
- Patent number 8,273,706
- Issue date Sep 25, 2012
- DH Technologies Development Pte. Ltd.
- Darryl J. C. Pappin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tagging reagents and methods for hydroxylated compounds
- Patent number 8,236,565
- Issue date Aug 7, 2012
- DH Technologies Development Pte. Ltd.
- Subhasish Purkayastha
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods, mixtures, kits and compositions pertaining to analyte dete...
- Patent number 7,906,341
- Issue date Mar 15, 2011
- DH Technologies Development Pte, Ltd.
- Subhasish Purkayastha
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for isolating and labeling sample molecules
- Patent number 7,364,911
- Issue date Apr 29, 2008
- Rudolf H. Aebersold
- G01 - MEASURING TESTING
Information Patent Grant
Isotopically enriched N-substituted piperazine acetic acids and met...
- Patent number 7,355,045
- Issue date Apr 8, 2008
- Applera Corporation
- Subhakar Dey
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ULTRA HIGH THROUGHPUT SCREENING COMBINED WITH DEFINITIVE TESTING IN...
- Publication number 20240420939
- Publication date Dec 19, 2024
- DH Technologies Development Pte. Ltd.
- Aaron Stella
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SCOUT MRM FOR SCREENING AND DIAGNOSTIC ASSAYS
- Publication number 20240345043
- Publication date Oct 17, 2024
- DH Technologies Development Pte. Ltd.
- Subhasish Purkayastha
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ENZYME-CONJUGATED MAGNETIC BEADS SUSPENDED IN INTERNAL STANDARD BUFFER
- Publication number 20240230633
- Publication date Jul 11, 2024
- DH Technologies Development Pte. Ltd.
- Aaron STELLA
- G01 - MEASURING TESTING
Information Patent Application
INTEGRATED SAMPLE PROCESSING SYSTEM WITH VARIABLE WORKFLOWS
- Publication number 20230417731
- Publication date Dec 28, 2023
- Beckman Coulter, Inc.
- Aaron HUDSON
- G01 - MEASURING TESTING
Information Patent Application
Microbial Identification and Quantitation Using MS Cleavable Tags
- Publication number 20230236189
- Publication date Jul 27, 2023
- DH Technologies Development Pte. Ltd.
- Subhasish Purkayastha
- G01 - MEASURING TESTING
Information Patent Application
Integrated Sample Processing System with Multiple Detection Capability
- Publication number 20230011115
- Publication date Jan 12, 2023
- Beckman Coulter, Inc.
- Aaron Hudson
- G01 - MEASURING TESTING
Information Patent Application
MULTIPLEXED EXTERNAL CALIBRATOR AND CONTROL FOR SCREENING AND DIAGN...
- Publication number 20220308066
- Publication date Sep 29, 2022
- Jason Cournoyer
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND SYSTEMS FOR DETECTION OF VITAMIN D METABOLITES
- Publication number 20210088486
- Publication date Mar 25, 2021
- Jason Joshua COURNOYER
- G01 - MEASURING TESTING
Information Patent Application
INTEGRATED SAMPLE PROCESSING SYSTEM WITH VARIABLE WORKFLOWS
- Publication number 20210003551
- Publication date Jan 7, 2021
- Beckman Coulter, Inc.
- Aaron Hudson
- G01 - MEASURING TESTING
Information Patent Application
INTEGRATED SAMPLE PROCESSING SYSTEM WITH MULTIPLE DETECTION CAPABILITY
- Publication number 20210003586
- Publication date Jan 7, 2021
- DH Technologies Development Pte. Ltd.
- Aaron Hudson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Microbial Identification and Quantitation Using MS Cleavable Tags
- Publication number 20190212337
- Publication date Jul 11, 2019
- DH Technologies Development Pte. Ltd.
- Subhasish Purkayastha
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
SPECIFIC ANALYSIS OF KETONE AND ALDEHYDE ANALYTES USING REAGENT COM...
- Publication number 20170115258
- Publication date Apr 27, 2017
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Elements for Processing Fluids
- Publication number 20170074871
- Publication date Mar 16, 2017
- DH Technologies Development Pte. Ltd.
- John L. Campbell
- G01 - MEASURING TESTING
Information Patent Application
Microbial Identification and Quantitation Using MS Cleavable Tags
- Publication number 20170052180
- Publication date Feb 23, 2017
- Subhasish Purkayastha
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
MASS SPECTROMETRIC IDENTIFICATION AND/OR QUANTITATION OF CATECHOLAM...
- Publication number 20160305969
- Publication date Oct 20, 2016
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR THE DETECTION OF ALLERGENS
- Publication number 20160025741
- Publication date Jan 28, 2016
- DH Technologies Development Pte. Ltd.
- Stephen J. Lock
- G01 - MEASURING TESTING
Information Patent Application
ANALYSIS OF A PANEL OF CEREBROTENDINOUS XANTHOMATOSIS BIOMARKERS US...
- Publication number 20150323554
- Publication date Nov 12, 2015
- DH Technologies Development Pte. Ltd.
- Andrea DeBarber
- G01 - MEASURING TESTING
Information Patent Application
MASS SPECTROMETRY QUANTITATION OF P450 ISOFORMS IN HEPATOCYTES
- Publication number 20150140600
- Publication date May 21, 2015
- DH Technologies Development Pte. Ltd.
- Brian L. Williamson
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
ANALYSIS OF ESTRADIOL AND ANALYTES WITH PHENOLIC OH USING LABELING...
- Publication number 20150051111
- Publication date Feb 19, 2015
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Application
MASS SPECTROMETRY QUANTITATION OF P450 PROTEIN ISOFORMS IN HEPATOCYTES
- Publication number 20150045256
- Publication date Feb 12, 2015
- DH Technologies Development Pte. Ltd.
- Brian L. Williamson
- G01 - MEASURING TESTING
Information Patent Application
ENHANCEMENT OF SENSITIVITY AND SPECIFICITY OF KETOSTEROIDS AND KETO...
- Publication number 20140349885
- Publication date Nov 27, 2014
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Application
QUANTITATIVE ANALYSIS OF VITAMIN D3, VITAMIN D2, AND METABOLITES TH...
- Publication number 20140127825
- Publication date May 8, 2014
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Application
COMPOSITION, METHOD, AND KIT FOR CALIBRATING A MASS SPECTROMETER
- Publication number 20140027625
- Publication date Jan 30, 2014
- DH Technilogies Development Pte. Ltd.
- Subhakar N. Dey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPECIFIC ANALYSIS OF KETONE AND ALDEHYDE ANALYTES USING REAGENT COM...
- Publication number 20140004616
- Publication date Jan 2, 2014
- DH Technologies Development Pte. Ltd.
- Subhakar Dey
- G01 - MEASURING TESTING
Information Patent Application
ANALYTE DETERMINATION UTILIZING MASS TAGGING REAGENTS COMPRISING A...
- Publication number 20130184181
- Publication date Jul 18, 2013
- DH Technologies Development Pte Ltd.
- Subhasish Purkayastha
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Methods, Mixtures, Kits and Compositions Pertaining to Analyte Dete...
- Publication number 20120196378
- Publication date Aug 2, 2012
- Subhasish Purkayastha
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MASS TAG REAGENTS FOR SIMULTANEOUS QUANTITATION AND IDENTIFICATION...
- Publication number 20110183420
- Publication date Jul 28, 2011
- DH Technologies Development Pte. Ltd.
- Subhakar DEY
- G01 - MEASURING TESTING
Information Patent Application
QUANTITATIVE ANALYSIS OF VITAMIN D3, VITAMIN D2, AND METABOLITES TH...
- Publication number 20110183429
- Publication date Jul 28, 2011
- Subhakar DEY
- G01 - MEASURING TESTING
Information Patent Application
Analysis of Amino Acids And Amine-Containing Compounds Using Taggin...
- Publication number 20110143445
- Publication date Jun 16, 2011
- DH Technologies Development Pte. Ltd.
- Scott DANIELS
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Mass Spectrometry Quantitation of P450 Isoforms in Hepatocytes
- Publication number 20110091981
- Publication date Apr 21, 2011
- DH Technologies Development Pte. Ltd.
- Brian L. Williamson
- G01 - MEASURING TESTING

Subhasish Purkayastha

Person

Patents Grantslast 30 patents

Integrated sample processing system with multiple detection capability

Integrated sample processing system with variable workflows

Microbial identification and quantitation using MS cleavable tags

Integrated sample processing system with multiple detection capability

Magnetic elements for processing fluids

Microbial identification and quantitation using MS cleavable tags

Specific analysis of ketone and aldehyde analytes using reagent com...

Analysis of a panel of cerebrotendinous xanthomatosis biomarkers us...

System and method for the detection of allergens

Mass spectrometric identification and/or quantitation of catecholam...

Analysis of estradiol and analytes with phenolic OH using labeling...

Mass spectrometry quantitation of P450 isoforms in hepatocytes

Specific analysis of ketone and aldehyde analytes using reagent com...

Composition, method, and kit for calibrating a mass spectrometer

Quantitative analysis of vitamin D3, vitamin D2, and metabolites th...

Labeling reagents for analyte determination and methods and compoun...

Mass spectrometry quantitation of P450 isoforms in hepatocytes

Analyte determination utilizing mass tagging reagents comprising a...

Quantitative analysis of vitamin D3, vitamin D2, and metabolites th...

Amine-containing compound analysis methods

Active esters of N-substituted piperazine acetic acids, including i...

Mass tags for quantitative analyses

Methods, mixtures, kits and compositions pertaining to analyte dete...

Mass tag reagents for simultaneous quantitation and identification...

Analyte determination utilizing mass tagging reagents comprising a...

Isobarically labeled analytes and fragment ions derived therefrom

Tagging reagents and methods for hydroxylated compounds

Methods, mixtures, kits and compositions pertaining to analyte dete...

Methods for isolating and labeling sample molecules

Isotopically enriched N-substituted piperazine acetic acids and met...

Patents Applicationslast 30 patents

ULTRA HIGH THROUGHPUT SCREENING COMBINED WITH DEFINITIVE TESTING IN...

SCOUT MRM FOR SCREENING AND DIAGNOSTIC ASSAYS

ENZYME-CONJUGATED MAGNETIC BEADS SUSPENDED IN INTERNAL STANDARD BUFFER

INTEGRATED SAMPLE PROCESSING SYSTEM WITH VARIABLE WORKFLOWS

Microbial Identification and Quantitation Using MS Cleavable Tags

Integrated Sample Processing System with Multiple Detection Capability

MULTIPLEXED EXTERNAL CALIBRATOR AND CONTROL FOR SCREENING AND DIAGN...

METHODS AND SYSTEMS FOR DETECTION OF VITAMIN D METABOLITES

INTEGRATED SAMPLE PROCESSING SYSTEM WITH VARIABLE WORKFLOWS

INTEGRATED SAMPLE PROCESSING SYSTEM WITH MULTIPLE DETECTION CAPABILITY

Microbial Identification and Quantitation Using MS Cleavable Tags

SPECIFIC ANALYSIS OF KETONE AND ALDEHYDE ANALYTES USING REAGENT COM...

Magnetic Elements for Processing Fluids

Microbial Identification and Quantitation Using MS Cleavable Tags

MASS SPECTROMETRIC IDENTIFICATION AND/OR QUANTITATION OF CATECHOLAM...

SYSTEM AND METHOD FOR THE DETECTION OF ALLERGENS

ANALYSIS OF A PANEL OF CEREBROTENDINOUS XANTHOMATOSIS BIOMARKERS US...

MASS SPECTROMETRY QUANTITATION OF P450 ISOFORMS IN HEPATOCYTES

ANALYSIS OF ESTRADIOL AND ANALYTES WITH PHENOLIC OH USING LABELING...

MASS SPECTROMETRY QUANTITATION OF P450 PROTEIN ISOFORMS IN HEPATOCYTES

ENHANCEMENT OF SENSITIVITY AND SPECIFICITY OF KETOSTEROIDS AND KETO...

QUANTITATIVE ANALYSIS OF VITAMIN D3, VITAMIN D2, AND METABOLITES TH...

COMPOSITION, METHOD, AND KIT FOR CALIBRATING A MASS SPECTROMETER

SPECIFIC ANALYSIS OF KETONE AND ALDEHYDE ANALYTES USING REAGENT COM...

ANALYTE DETERMINATION UTILIZING MASS TAGGING REAGENTS COMPRISING A...

Methods, Mixtures, Kits and Compositions Pertaining to Analyte Dete...

MASS TAG REAGENTS FOR SIMULTANEOUS QUANTITATION AND IDENTIFICATION...

QUANTITATIVE ANALYSIS OF VITAMIN D3, VITAMIN D2, AND METABOLITES TH...

Analysis of Amino Acids And Amine-Containing Compounds Using Taggin...

Mass Spectrometry Quantitation of P450 Isoforms in Hepatocytes