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Inventor

Clifton Liu

Inventor
Santa Clara, CA, US

Overview

5→
Patents
2013–2016
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.

H04Wprimary
H04WWireless communication networks40%
H04LTransmission of digital information, e.g. telegraphic communication20%
H04MTelephonic communication20%
G06FElectric digital data processing10%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use10%
PatentTitleYear
9,271,208'Dynamic carrier switching'20169,020,479'Single version of a user device modem for use with different wireless carriers'20158,965,366'World SIM'20158,626,165'Dynamic carrier switching'20148,452,995'Universal serial bus low power idle mode'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2016Patents assigned to AMAZON TECH INC (5)· patent assignee history
2013–2015Patents assigned to LIU CLIFTON (4)· patent assignee history
2013–2015Patents assigned to KIRALY KENNETH P (3)· patent assignee history
2013–2016Based in Santa Clara, CA, US· patent location history
2014–2015Patents assigned to GOPALAKRISHNAN VARADARAJAN (3)· patent assignee history
2014–2015Patents assigned to NARASIMHAN SUBRAM (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMAZON TECH INC52013–2016
LIU CLIFTONself42013–2015
GOPALAKRISHNAN VARADARAJAN32014–2015
KIRALY KENNETH P32013–2015
NARASIMHAN SUBRAM32014–2015
Locations
LocationPatentsSpan
Santa Clara, California, US52013–2016