Inventor

Guofu Li

Inventor
Johnston, IA, US

Overview

15→
Patents
1997–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

C12Nprimary
C12NMicroorganisms or enzymes24%
C07KPeptides17%
Y02ATechnologies for adaptation to climate change11%
A61KPreparations for medical, dental or toiletry purposes9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
C12YEnzymes7%
A01HNew plants or non-transgenic processes for obtaining them4%
G06TImage data processing or generation, in general4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to CIBA GEIGY AG (1)· patent assignee history
1997–2018Based in Beijing, CN· patent location history
2007–2014Patents assigned to SANGAMO BIOSCIENCES INC (7)· patent assignee history
2007–2018Based in Johnston, IA, US· patent location history
2007–2014Based in Albany, CA, US· patent location history
2014–2018Patents assigned to PIONEER HI BRED INT (6)· patent assignee history
2014–2015Patents assigned to LI GUOFU (3)· patent assignee history
2018Patents assigned to CHINA ELECTRIC POWER RES INST (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANGAMO BIOSCIENCES INC72007–2014
PIONEER HI BRED INT62014–2018
LI GUOFUself32014–2015
CHINA ELECTRIC POWER RES INST12018
CIBA GEIGY AG11997
Locations
LocationPatentsSpan
Johnston, IA, US102007–2018
Albany, California, US32007–2014
Beijing, CN21997–2018