Inventor

Roger Mark

Inventor
Barrington, RI, US

Overview

11→
Patents
1992–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers18%
H02KDynamo-electric machines11%
A61BDiagnosis7%
F01LCyclically operating valves for machines or engines7%
F02DControlling combustion engines7%
F16KValves7%
G10KSound-producing devices7%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data7%
G16ZInformation and communication technology [ict] specially adapted for specific application fields, not otherwise provided for7%
H01FMagnets7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Patents assigned to RAYTHEON CO (2)· patent assignee history
1992Based in Barington, RI, US· patent location history
1997–2011Based in Barrington, RI, US· patent location history
1999–2011Patents assigned to BOSE CORP (7)· patent assignee history
2012–2016Patents assigned to HELDT THOMAS (2)· patent assignee history
2012–2016Patents assigned to MASSACHUSETTS INST TECHNOLOGY (2)· patent assignee history
2012–2016Patents assigned to PARLIKAR TUSHAR A (2)· patent assignee history
2012–2016Based in Cambridge, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOSE CORP71999–2011
HELDT THOMAS22012–2016
MASSACHUSETTS INST TECHNOLOGY22012–2016
PARLIKAR TUSHAR A22012–2016
RAYTHEON CO21992–1997
Locations
LocationPatentsSpan
Barrington, RI, US81997–2011
Cambridge, Massachusetts, US22012–2016
Barington, RI, US11992