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Inventor

Chunwei Liu

Inventor
Beijing, CN

Overview

7→
Patents
2011–2016
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties47%
B82YSpecific uses or applications of nanostructures27%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light27%
PatentTitleYear
9,274,105'Analyzing chemical and biological substances using nano-structure based spectral sensing'20169,182,352'System and method for detecting oil or gas underground using light scattering spectral analyses'20158,699,019'Assuring food safety using nano-structure based spectral sensing'20148,582,099'Monitoring network based on nano-structured sensing devices'20138,213,007'Spectrally sensing chemical and biological substances'20128,102,525'Systems and methods for detecting chemical and biological substances'20127,956,997'Systems and methods for food safety detection'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2013Patents assigned to OPTOTRACE TECHNOLOGIES INC (3)· patent assignee history
2011–2016Based in Beijing, CN· patent location history
2012–2014Patents assigned to GUO XUN (4)· patent assignee history
2012–2014Patents assigned to LIU CHUNWEI (4)· patent assignee history
2012–2016Patents assigned to OPTOTRACE SUZHOU TECHNOLOGIES INC (4)· patent assignee history
2012–2014Patents assigned to WANG HONG (4)· patent assignee history
2013Based in Jiangsu, CN· patent location history
2015Based in Suzhou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUO XUN42012–2014
LIU CHUNWEIself42012–2014
OPTOTRACE SUZHOU TECHNOLOGIES INC42012–2016
WANG HONG42012–2014
OPTOTRACE TECHNOLOGIES INC32011–2013
Locations
LocationPatentsSpan
Beijing, CN52011–2016
Suzhou, CN12015
Jiangsu, CN12013