Inventor

Wei Liang

Inventor
Beijing, CN

Overview

5→
Patents
2005–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
A61NElectrotherapy8%
C09GPolishing compositions8%
G02BOptical elements, systems or apparatus8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
H01LSemiconductor devices8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to NP PHOTONICS INC (1)· patent assignee history
2005Based in Tucson, AZ, US· patent location history
2014Patents assigned to BEIJING DIACRID MEDICAL TECHNOLOGY CO LTD (1)· patent assignee history
2014Patents assigned to LIANG WEI (1)· patent assignee history
2014Patents assigned to LOU MIN AN (1)· patent assignee history
2014–2020Based in Beijing, CN· patent location history
2019–2020Patents assigned to INST BIOPHYSICS CAS (2)· patent assignee history
2020Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INST BIOPHYSICS CAS22019–2020
BEIJING DIACRID MEDICAL TECHNOLOGY CO LTD12014
LIANG WEIself12014
LOU MIN AN12014
NP PHOTONICS INC12005
Locations
LocationPatentsSpan
Beijing, CN32014–2020
Hsinchu, TW12020
Tucson, AZ, US12005