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Inventor

Dean Johnson

Inventor
Solana Beach, CA, US

Overview

5→
Patents
1991–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 5 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 transducers50%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1033%
G06FElectric digital data processing17%
PatentTitleYear
8,494,200'Hearing aid microphone protective barrier'20137,876,919'Hearing aid microphone protective barrier'20117,551,747'Perforated cap for a hearing aid'20095,164,817'Distributed clock tree scheme in semiconductor packages'19924,987,473'Leadframe system with multi-tier leads'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to VLSI TECHNOLOGY INC (2)· patent assignee history
1991–1992Based in Cupertino, CA, US· patent location history
2009–2013Patents assigned to INSOUND MEDICAL INC (3)· patent assignee history
2009–2013Based in Solana Beach, CA, US· patent location history
2013Patents assigned to DAY IAN M (1)· patent assignee history
2013Patents assigned to GABLE RICHARD (1)· patent assignee history
2013Patents assigned to IPSEN MICHAEL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INSOUND MEDICAL INC32009–2013
VLSI TECHNOLOGY INC21991–1992
DAY IAN M12013
GABLE RICHARD12013
IPSEN MICHAEL12013
Locations
LocationPatentsSpan
Solana Beach, California, US32009–2013
Cupertino, California, US21991–1992