SP

Subhasish Purkayastha

DP Dh Technologies Development Pte.: 28 patents #6 of 208Top 3%
DA Danaher: 4 patents #495 of 2,950Top 20%
AP Applera: 2 patents #152 of 449Top 35%
IB Institute For Systems Biology: 1 patents #42 of 120Top 35%
OU Oregon Health & Science University: 1 patents #352 of 725Top 50%
UW University Of Washington: 1 patents #985 of 2,234Top 45%
📍 Acton, MA: #63 of 1,334 inventorsTop 5%
🗺 Massachusetts: #2,781 of 88,656 inventorsTop 4%
Overall (All Time): #111,001 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
12379370 Integrated sample processing system with variable workflows Aaron Hudson, Takayuki Mizutani, Thomas W. Roscoe 2025-08-05
11988670 Integrated sample processing system with multiple detection capability Aaron Hudson, Takayuki Mizutani, Thomas W. Roscoe 2024-05-21
11619623 Integrated sample processing system with variable workflows Aaron Hudson, Takayuki Mizutani, Thomas W. Roscoe 2023-04-04
11549944 Microbial identification and quantitation using MS cleavable tags Subhakar Dey 2023-01-10
11402386 Integrated sample processing system with multiple detection capability Aaron Hudson, Takayuki Mizutani, Thomas W. Roscoe 2022-08-02
10656147 Magnetic elements for processing fluids John Lawrence Campbell, Thomas R. Covey, Chang Liu 2020-05-19
10281468 Microbial identification and quantitation using MS cleavable tags Subhakar Dey 2019-05-07
10094809 Specific analysis of ketone and aldehyde analytes using reagent compounds, labeling strategies, and mass spectrometry workflow Subhakar Dey, Sasi Pillai, Brian L. Williamson, Michal Weinstock 2018-10-09
10078091 Analysis of a panel of cerebrotendinous xanthomatosis biomarkers using site specific derivation and LC/MS/MS workflow Andrea DeBarber, Robert D. Steiner, Michal Weinstock 2018-09-18
9970942 System and method for the detection of allergens Stephen Lock, Brian L. Williamson, Keling Dong 2018-05-15
9964552 Mass spectrometric identification and/or quantitation of catecholamines using aminopyrazoles Subhakar Dey 2018-05-08
9874575 Analysis of estradiol and analytes with phenolic OH using labeling chemistry and LC-MSMS workflow Subhakar Dey 2018-01-23
9546393 Mass spectrometry quantitation of P450 isoforms in hepatocytes Brian L. Williamson 2017-01-17
9500622 Specific analysis of ketone and aldehyde analytes using reagent compounds, labeling strategies, and mass spectrometry workflow Subhakar Dey, Sasi Pillal, Brian L. Williamson, Michal Weinstock 2016-11-22
9257267 Composition, method, and kit for calibrating a mass spectrometer Subhakar Dey, Marjorie S. Minkoff, Sasi Pillai, Brian L. Williamson 2016-02-09
9188596 Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof Subhakar Dey, Sasi Pillal, Brian L. Williamson 2015-11-17
8975404 Labeling reagents for analyte determination and methods and compounds used in making the same Sasi Pillai, Subhakar Dey, Darryl Pappin 2015-03-10
8940545 Mass spectrometry quantitation of P450 isoforms in hepatocytes Brian L. Williamson 2015-01-27
8853133 Analyte determination utilizing mass tagging reagents comprising a non-encoded detectable label Subhakar Dey 2014-10-07
8617898 Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof Subhakar Dey, Sasi Pillai, Brian L. Williamson 2013-12-31
8569304 Active esters of N-substituted piperazine acetic acids, including isotopically enriched versions thereof Subhakar Dey, Darryl Pappin, Sasi Pillai, James M. Coull 2013-10-29
8569071 Amine-containing compound analysis methods Subodh B. Nimkar, Darryl Pappin, Scott Daniels 2013-10-29
8501498 Mass tags for quantitative analyses Xiongwei Yan, Pau Miau Yuan, Sylvia W. Yuen, Kuo-Liang Hsi, Joe Y. L. Lam +5 more 2013-08-06
8492163 Methods, mixtures, kits and compositions pertaining to analyte determination Subhakar Dey, Scott Daniels 2013-07-23
8372653 Mass tag reagents for simultaneous quantitation and identification of small molecules Subhakar Dey 2013-02-12