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Inventor

Zhengwei Li

Inventor
Shenyang, CN

Overview

3→
Patents
2004–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%
B22FWorking metallic powder8%
C04BLime, magnesia8%
C07DHeterocyclic compounds8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%
C22CAlloys8%
C23CCoating metallic material8%
E21BEarth or rock drilling8%
F04BPositive-displacement machines for liquids8%
PatentTitleYear
10,697,281Large-scale three-dimensional physical model test system and method for deep cavern group202010,654,808Tyrosine kinase inhibitor and pharmaceutical composition comprising same20206,692,839'Titanium based composites and coatings and methods of production'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to TITANOX DEVELOPMENTS LTD (1)· patent assignee history
2004Based in Grafton, NZ· patent location history
2020Patents assigned to GUANGDONG RAYNOVENT BIOTECH CO LTD (1)· patent assignee history
2020Patents assigned to UNIV NORTHEASTERN (1)· patent assignee history
2020Based in Shenyang, CN· patent location history
2020Based in Dongguan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUANGDONG RAYNOVENT BIOTECH CO LTD12020
TITANOX DEVELOPMENTS LTD12004
UNIV NORTHEASTERN12020
Locations
LocationPatentsSpan
Shenyang, CN12020
Dongguan, CN12020
Grafton, NZ12004