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Inventor

Yujie Chen

Inventor
Shijiazhuang, CN

Overview

4→
Patents
2019–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
C07DHeterocyclic compounds25%
B01FMixing, e.g. dissolving, emulsifying or dispersing8%
B01LChemical or physical laboratory apparatus for general use8%
C07CAcyclic or carbocyclic compounds8%
PatentTitleYear
11,130,120Micro-pipette tip for forming micro-droplets202110,774,079Quinazoline derivative202010,550,073Benzamide derivative202010,421,754Quinazoline derivative2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to CSPC ZHONGQI PHARMACEUTICAL TECH SHIJIAZHUANG CO LTD (3)· patent assignee history
2019–2020Based in Shijiazhuang, CN· patent location history
2020Based in Hebei, CN· patent location history
2021Patents assigned to CHEN YUANJI (1)· patent assignee history
2021Patents assigned to WU YUAN MIN (1)· patent assignee history
2021Patents assigned to XIAO LIFENG (1)· patent assignee history
2021Based in Richmond Hill, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CSPC ZHONGQI PHARMACEUTICAL TECH SHIJIAZHUANG CO LTD32019–2020
CHEN YUANJIself12021
WU YUAN MIN12021
XIAO LIFENG12021
Locations
LocationPatentsSpan
Shijiazhuang, CN22019–2020
Richmond Hill, CA12021
Hebei, CN12020