Inventor

Weijiong Li

Inventor
Tucson, AZ, US

Overview

4→
Patents
2000–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus25%
A61BDiagnosis13%
B01DSeparation13%
B82YSpecific uses or applications of nanostructures13%
G01SRadio direction-finding13%
H04BTransmission13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to MAT & ELECTROCHEM RES CORP (1)· patent assignee history
2000–2005Based in Tucson, AZ, US· patent location history
2005Patents assigned to NP PHOTONICS INC (2)· patent assignee history
2021Patents assigned to NOKIA TECHNOLOGIES OY (1)· patent assignee history
2021Based in Chapel Hill, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NP PHOTONICS INC22005
MAT & ELECTROCHEM RES CORP12000
NOKIA TECHNOLOGIES OY12021
Locations
LocationPatentsSpan
Tucson, AZ, US32000–2005
Chapel Hill, NC, US12021