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Inventor

Chen Chen

Inventor
Ottawa, CA

Overview

12→
Patents
2004–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 12 as inventor

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

H04Bprimary
H04BTransmission28%
H04LTransmission of digital information, e.g. telegraphic communication21%
H04JMultiplex communication10%
H04QSelecting7%
H04WWireless communication networks7%
G01DMeasuring not specially adapted for a specific variable3%
G02BOptical elements, systems or apparatus3%
G06NComputing arrangements based on specific computational models3%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
G11CStatic stores3%
PatentTitleYear
10,574,362Method and apparatus for transmitter IQ skew and insertion loss detection for coherent optical systems202010,506,311System and method for optical network201910,436,615Virtual sensor system201910,148,400Method and apparatus for reference signal transmitting and receiving in active antenna systems20189,779,646'Shift register, method and system for operating shift register'20179,749,723'System and method for optical network'20179,641,374'Direct-detected orthogonal frequency-division multiplexing with dispersion pre-compensation digital signal processing'20179,621,391'Methods and apparatuses to improve reception of direct detection optical signals'20179,608,723'Carrier-signal power ratio control in direct detection optical systems'20179,444,441'Zero-crossing detection circuit and method for synchronous step-down converter'20169,350,450'Bit loading for optical discrete multi-tone transmission'20166,678,438'Apparatus and method for switching an optical path'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to CHYNOPTICS TECHNOLOGIES INC (1)· patent assignee history
2016–2019Patents assigned to HUAWEI TECH CO LTD (6)· patent assignee history
2016–2017Based in Ottawa, CA· patent location history
2017Patents assigned to SHANGHAI AVIC OPTOELECTRONICS (1)· patent assignee history
2017Based in Shanghai, CN· patent location history
2018Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history
2018Based in Beijing, CN· patent location history
2019–2020Based in San Jose, CA, US· patent location history
2019Based in Pittsburgh, PA, US· patent location history
2020Patents assigned to INFINERA CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAWEI TECH CO LTD62016–2019
CHYNOPTICS TECHNOLOGIES INC12004
INFINERA CORP12020
SAMSUNG ELECTRONICS CO LTD12018
SHANGHAI AVIC OPTOELECTRONICS12017
Locations
LocationPatentsSpan
Ottawa, CA52016–2017
San Jose, California, US22019–2020
Pittsburgh, Pennsylvania, US12019
Beijing, CN12018
Shanghai, CN12017