Inventor

Wenchao Yan

Inventor
Beijing, CN

Overview

1→
Patents
2012
Patent span
Human necessities
Primary field (CPC A)

Patents· 1 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes33%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations33%
C12NMicroorganisms or enzymes33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to HAO LILI (1)· patent assignee history
2012Patents assigned to LI JIANAN (1)· patent assignee history
2012Patents assigned to LIU XIANYONG (1)· patent assignee history
2012Patents assigned to SHI TUANYUAN (1)· patent assignee history
2012Patents assigned to SUO XUN (1)· patent assignee history
2012Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAO LILI12012
LI JIANAN12012
LIU XIANYONG12012
SHI TUANYUAN12012
SUO XUN12012
Locations
LocationPatentsSpan
Beijing, CN12012