Inventor

David Chen

Inventor
Fremont, CA, US

Overview

10→
Patents
2012–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H04Mprimary
H04MTelephonic communication20%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
H01JElectric discharge tubes or discharge lamps13%
H04NPictorial communication, e.g. television13%
H04WWireless communication networks13%
G06FElectric digital data processing7%
G07CTime or attendance registers7%
H04LTransmission of digital information, e.g. telegraphic communication7%
Y10TTechnical subjects covered by former us classification7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2016Patents assigned to AT & T IP I LP (8)· patent assignee history
2012–2016Patents assigned to FAN JAMES (4)· patent assignee history
2012–2016Patents assigned to CHEN DAVID FENGLIN (3)· patent assignee history
2012–2016Based in Fremont, CA, US· patent location history
2014Patents assigned to CHEN DAVID (2)· patent assignee history
2016–2017Patents assigned to KLA TENCOR CORP (2)· patent assignee history
2016–2017Based in Portland, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AT & T IP I LP82012–2016
FAN JAMES42012–2016
CHEN DAVID FENGLINself32012–2016
CHEN DAVIDself22014
KLA TENCOR CORP22016–2017
Locations
LocationPatentsSpan
Fremont, California, US82012–2016
Portland, OR, US22016–2017