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Inventor

Qingzhong Cai

Inventor
Plano, TX, US

Overview

7→
Patents
2006–2018
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.

H04Bprimary
H04BTransmission33%
H04JMultiplex communication13%
H04QSelecting13%
A61BDiagnosis7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G02BOptical elements, systems or apparatus7%
G06TImage data processing or generation, in general7%
G06VImage or video recognition or understanding7%
H04LTransmission of digital information, e.g. telegraphic communication7%
PatentTitleYear
10,009,108Coherent and pulse amplitude modulation in a pluggable optical transceiver20189,729,947'Pluggable optical transceiver providing wavelength tuning information'20178,886,034'Systems and methods for optical receiver decision threshold optimization'20148,249,447'Systems and methods for optical receiver decision threshold optimization'20127,535,988'Method for fast image reconstruction with compact radiation source and detector arrangement using computerized tomography'20097,417,727'Method and apparatus for standoff detection of liveness'20087,092,633'System and method for configuring optical circuits'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2014Based in Plano, TX, US· patent location history
2008–2009Patents assigned to CLEAN EARTH TECH LLC (2)· patent assignee history
2012–2018Patents assigned to MENARA NETWORKS INC (4)· patent assignee history
2012–2017Patents assigned to CAI QINGZHONG (3)· patent assignee history
2012–2014Patents assigned to CARDONA GABRIEL E (2)· patent assignee history
2012–2014Patents assigned to SUN XIAOGUANG (2)· patent assignee history
2017–2018Based in Dallas, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MENARA NETWORKS INC42012–2018
CAI QINGZHONGself32012–2017
CARDONA GABRIEL E22012–2014
CLEAN EARTH TECH LLC22008–2009
SUN XIAOGUANG22012–2014
Locations
LocationPatentsSpan
Plano, Texas, US52006–2014
Dallas, Texas, US22017–2018