Inventor
Sasi Pillai
Inventor
Littleton, MA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds27%
G01NInvestigating or analysing materials by determining their chemical or physical properties23%
Y10TTechnical subjects covered by former us classification23%
C07BGeneral methods of organic chemistry8%
H01JElectric discharge tubes or discharge lamps8%
C07CAcyclic or carbocyclic compounds4%
C07JSteroids4%
C07KPeptides4%
PatentTitleYear
10,094,809Specific analysis of ketone and aldehyde analytes using reagent compounds, labeling strategies, and mass spectrometry workflow20189,257,267'Composition, method, and kit for calibrating a mass spectrometer'20168,975,404'Labeling reagents for analyte determination and methods and compounds used in making the same'20158,617,898'Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof'20138,569,304'Active esters of N-substituted piperazine acetic acids, including isotopically enriched versions thereof'20138,501,498'Mass tags for quantitative analyses'20138,236,565'Tagging reagents and methods for hydroxylated compounds'20127,932,388'Isotopically enriched N-substituted piperazines and methods for the preparation thereof'20117,364,911'Methods for isolating and labeling sample molecules'20087,355,045'Isotopically enriched N-substituted piperazine acetic acids and methods for the preparation thereof'20087,307,169'Isotopically enriched N-substituted piperazines and methods for the preparation thereof'20077,183,116'Methods for isolation and labeling of sample molecules'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2008Patents assigned to APPLERA CORP (3)· patent assignee history
2007–2016Based in Littleton, MA, US· patent location history
2008–2016Patents assigned to PURKAYASTHA SUBHASISH (7)· patent assignee history
2008–2013Patents assigned to PILLAI SASI (4)· patent assignee history
2011–2018Patents assigned to DH TECHNOLOGIES DEV PTE LTD (8)· patent assignee history
2012–2015Patents assigned to DEY SUBHAKAR (5)· patent assignee history
2018Based in North Grafton, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DH TECHNOLOGIES DEV PTE LTD | 8 | 2011–2018 |
| PURKAYASTHA SUBHASISH | 7 | 2008–2016 |
| DEY SUBHAKAR | 5 | 2012–2015 |
| PILLAI SASIself | 4 | 2008–2013 |
| APPLERA CORP | 3 | 2007–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Littleton, Massachusetts, US | 11 | 2007–2016 |
| North Grafton, Massachusetts, US | 1 | 2018 |