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Inventor

Fei Li

Inventor
Beijing, CN

Overview

13→
Patents
2010–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations23%
C07CAcyclic or carbocyclic compounds10%
C07JSteroids10%
A61KPreparations for medical, dental or toiletry purposes7%
C07DHeterocyclic compounds7%
C23CCoating metallic material7%
A61BDiagnosis3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B29DProducing particular articles from plastics or from substances in a plastic state3%
C07BGeneral methods of organic chemistry3%
PatentTitleYear
11,023,540Web page clustering method and device202110,836,700Process for preparing ketone or carboxylic acid by catalytic oxidation of secondary or primary alcohol202010,709,725Gemcitabine ProTide hypoxia-activated prodrug and application thereof202010,598,220Bearing device and ion implantation device202010,233,209Inhibitors of the farnesoid x receptor and uses in medicine20199,540,415'Inhibitors of the farnesoid X receptor and uses in medicine'20179,481,636'N-benzylaniline derivative and uses thereof'20169,238,622'Crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, preparing method and use thereof'20168,742,167'Therapeutic formulations based on asiatic acid and selected salts thereof'20148,262,810'Method for conversion treating surface of magnesium alloy workpiece'20128,258,176'Dithiolopyrrolone compounds, the preparation and the use thereof'20127,942,983'Phosphating solution and method for conversion treating surface of magnesium alloy workpiece'20117,742,244'Cylindrical model eye, cylindrical test device and the manufacturing method thereof'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2021Based in Beijing, CN· patent location history
2011–2012Patents assigned to HON HAI PREC IND CO LTD (2)· patent assignee history
2011–2012Patents assigned to HONGFUJIN PREC IND SHENZHEN (2)· patent assignee history
2011–2012Based in Shenzhen, CN· patent location history
2012–2016Patents assigned to LI FEI (3)· patent assignee history
2012–2014Patents assigned to LIU QUANHAI (2)· patent assignee history
2012–2020Based in Shanghai, CN· patent location history
2017–2019Patents assigned to PENN STATE RES FOUND (2)· patent assignee history
2017–2019Based in Rockville, MD, US· patent location history
2020Based in Nantong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LI FEIself32012–2016
HON HAI PREC IND CO LTD22011–2012
HONGFUJIN PREC IND SHENZHEN22011–2012
LIU QUANHAI22012–2014
PENN STATE RES FOUND22017–2019
Locations
LocationPatentsSpan
Beijing, CN32010–2021
Shanghai, CN32012–2020
Rockville, Maryland, US22017–2019
Shenzhen, CN22011–2012
Nantong, CN12020