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Inventor

Weien Yuan

Inventor
Shanghai, CN

Overview

2→
Patents
2015–2016
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes40%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations40%
A61LMethods or apparatus for sterilising materials or objects in general20%
PatentTitleYear
9,381,159'Microspheres for controlled- or sustained-release delivery of therapeutics'20168,932,633'Polysaccharide microparticles containing biological agents: their preparation and applications'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2016Patents assigned to JIN TUO (2)· patent assignee history
2015–2016Patents assigned to YUAN WEIEN (2)· patent assignee history
2015Patents assigned to BIOPHARM SOLUTIONS INC (1)· patent assignee history
2015Patents assigned to WU FEI (1)· patent assignee history
2015–2016Based in Shanghai, CN· patent location history
2016Patents assigned to HU ZHENHUA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JIN TUO22015–2016
YUAN WEIENself22015–2016
BIOPHARM SOLUTIONS INC12015
HU ZHENHUA12016
WU FEI12015
Locations
LocationPatentsSpan
Shanghai, CN22015–2016