Inventor

CHENG JI

Inventor
CN

Overview

5→
Patents
2023–2026
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes13%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids6%
C07DHeterocyclic compounds6%
C07KPeptides6%
C12NMicroorganisms or enzymes6%
G06FElectric digital data processing6%
G06NComputing arrangements based on specific computational models6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
H03KPulse technique6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to ABBVIE INC (1)· patent assignee history
2023Patents assigned to FOURTH PARADIGM BEIJING TECH CO LTD (1)· patent assignee history
2023Patents assigned to SHANGHAI SHIYAO IMP AND EXPORT TRADE CO LTD (1)· patent assignee history
2023–2026Based in CN· patent location history
2023Based in US· patent location history
2025Patents assigned to CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD (1)· patent assignee history
2026Patents assigned to UNIV JIANGSU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ABBVIE INC12023
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD12025
FOURTH PARADIGM BEIJING TECH CO LTD12023
SHANGHAI SHIYAO IMP AND EXPORT TRADE CO LTD12023
UNIV JIANGSU12026
Locations
LocationPatentsSpan
CN42023–2026
US12023