Inventor

James Tierney

Inventor
Carp, CA

Overview

13→
Patents
1989–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication33%
G06FElectric digital data processing19%
H04QSelecting19%
H04JMultiplex communication14%
G11BInformation storage based on relative movement between record carrier and transducer10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1992Based in Costa Mesa, CA, US· patent location history
2014–2021Patents assigned to CIENA CORP (6)· patent assignee history
2014–2017Patents assigned to TIERNEY JAMES (4)· patent assignee history
2014–2016Patents assigned to EMBARCADERO TECHNOLOGIES INC (2)· patent assignee history
2014Patents assigned to STUART DAVID (2)· patent assignee history
2014–2021Based in Carp, CA· patent location history
2014–2019Based in Santa Cruz, CA, US· patent location history
2017–2019Patents assigned to EMBARCADERO TECH INC (2)· patent assignee history
2017–2019Based in Ottawa, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIENA CORP62014–2021
TIERNEY JAMESself42014–2017
EMBARCADERO TECH INC22017–2019
EMBARCADERO TECHNOLOGIES INC22014–2016
STUART DAVID22014
Locations
LocationPatentsSpan
Carp, CA52014–2021
Santa Cruz, California, US42014–2019
Ottawa, CA22017–2019
Costa Mesa, California, US21989–1992