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Inventor

David T. Roach

Inventor
Austin, TX, US

Overview

7→
Patents
1998–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H04Mprimary
H04MTelephonic communication33%
G02BOptical elements, systems or apparatus22%
H04SStereophonic systems22%
G10HElectrophonic musical instruments11%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers11%
PatentTitleYear
10,856,095Mixed reality system with spatialized audio202010,390,165Mixed reality system with spatialized audio20197,366,577'Programmable analog input/output integrated circuit system'20086,990,190'Method and system for remote telephone calibration'20066,453,042'Method and system for remote telephone calibration'20025,977,469'Real-time waveform substituting sound engine'19995,734,713'Method and system for remote telephone calibration'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2002Patents assigned to JABRA CORP (2)· patent assignee history
1998–2008Based in Austin, TX, US· patent location history
1999Patents assigned to SEER SYSTEMS INC (1)· patent assignee history
2006Patents assigned to GN JABRA CORP (1)· patent assignee history
2008Patents assigned to SIGMATEL INC (1)· patent assignee history
2019–2020Patents assigned to MAGIC LEAP INC (2)· patent assignee history
2019–2020Based in Plantation, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JABRA CORP21998–2002
MAGIC LEAP INC22019–2020
GN JABRA CORP12006
SEER SYSTEMS INC11999
SIGMATEL INC12008
Locations
LocationPatentsSpan
Austin, Texas, US51998–2008
Plantation, Florida, US22019–2020