Inventor
Bruce A. Littlefield
Inventor
Andover, MA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds37%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations32%
A61KPreparations for medical, dental or toiletry purposes21%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
PatentTitleYear
9,637,795'Methods and compositions for predicting response to eribulin'20178,097,648'Methods and compositions for use in treating cancer'20127,470,720'Methods and compositions for use in treating cancer'20086,653,341'Methods and compositions for use in treating cancer'20036,469,182'Intermediates in the preparation of macrocyclic analogs'20026,365,759'Intermediate compounds for preparing macrocylcic analogs'20026,214,865'Macrocyclic analogs and methods of their use and preparation'20015,340,833'Urokinase inhibitors'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2003Patents assigned to EISAI CO LTD (5)· patent assignee history
1994–2017Based in Andover, MA, US· patent location history
2008–2017Patents assigned to EISAI R&D MAN CO LTD (3)· patent assignee history
2012–2017Patents assigned to LITTLEFIELD BRUCE A (2)· patent assignee history
2017Patents assigned to AGOULNIK SERGEI I (1)· patent assignee history
2017Patents assigned to BYRNE MICHAEL CHAPMAN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EISAI CO LTD | 5 | 1994–2003 |
| EISAI R&D MAN CO LTD | 3 | 2008–2017 |
| LITTLEFIELD BRUCE Aself | 2 | 2012–2017 |
| AGOULNIK SERGEI I | 1 | 2017 |
| BYRNE MICHAEL CHAPMAN | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Andover, Massachusetts, US | 8 | 1994–2017 |