Inventor
Richard A. Silva
Inventor
Needham, MA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes25%
C07DHeterocyclic compounds25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
C07CAcyclic or carbocyclic compounds8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%
C07KPeptides8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
PatentTitleYear
10,968,228Methods of preparing substituted 12a,13-dihydro-6H-benzo[5,6][1,4]diazepino[1,2-a]indoles202110,913,713Methods of preparing cytotoxic benzodiazepine derivatives202110,899,775Methods of preparing cytotoxic benzodiazepine derivatives20218,575,111'Pharmaceutical compositions and methods for treating erectile dysfunction'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013Patents assigned to FREZARD FREDERIC JEAN GEORGES (1)· patent assignee history
2013Patents assigned to GONCALVES ANDREY CHRISTIAN DA COSTA (1)· patent assignee history
2013Patents assigned to MILLAN RUBEN DARIO SINISTERRA (1)· patent assignee history
2013Patents assigned to SANTOS ROBSON AUGUSTO SOUZA DOS (1)· patent assignee history
2013Based in Belo Horizonte, BR· patent location history
2021Patents assigned to IMMUNOGEN INC (3)· patent assignee history
2021Based in Needham, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IMMUNOGEN INC | 3 | 2021 |
| FREZARD FREDERIC JEAN GEORGES | 1 | 2013 |
| GONCALVES ANDREY CHRISTIAN DA COSTA | 1 | 2013 |
| MILLAN RUBEN DARIO SINISTERRA | 1 | 2013 |
| SANTOS ROBSON AUGUSTO SOUZA DOS | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Needham, Massachusetts, US | 3 | 2021 |
| Belo Horizonte, BR | 1 | 2013 |