Inventor

Chengshuai Yang

Inventor
Shanghai, CN

Overview

2→
Patents
2019–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes29%
C07DHeterocyclic compounds29%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%
C07BGeneral methods of organic chemistry14%
C07CAcyclic or carbocyclic compounds14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to NORTH & SOUTH BROTHER PHARMACY INVESTMENT CO LTD (1)· patent assignee history
2019Patents assigned to SUNSHIN LAKE PHARMA CO LTD (1)· patent assignee history
2019Patents assigned to SUNSHINE LAKE PHARMA CO LTD (1)· patent assignee history
2019Based in Dongguan, CN· patent location history
2021Patents assigned to CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD (1)· patent assignee history
2021Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD12021
NORTH & SOUTH BROTHER PHARMACY INVESTMENT CO LTD12019
SUNSHIN LAKE PHARMA CO LTD12019
SUNSHINE LAKE PHARMA CO LTD12019
Locations
LocationPatentsSpan
Shanghai, CN12021
Dongguan, CN12019