Inventor

Guodong Chang

Inventor

Beijing, CN

Overview

2013–2021

Patent span

Human necessities

Primary field (CPC A)

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes23%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations23%

C07KPeptides20%

G01NInvestigating or analysing materials by determining their chemical or physical properties13%

Y10TTechnical subjects covered by former us classification10%

C12NMicroorganisms or enzymes3%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms3%

Y02ATechnologies for adaptation to climate change3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to UNIV TSINGHUA (6)· patent assignee history

2013–2018Patents assigned to PROTGEN LTD (4)· patent assignee history

2013–2020Patents assigned to CHANG GUODONG (3)· patent assignee history

2013–2020Patents assigned to FU YAN (3)· patent assignee history

2013–2021Based in Beijing, CN· patent location history

2016–2021Patents assigned to BEIJING PROTGEN LTD (3)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Beijing, CN	7	2013–2021