Inventor

Ruihao Zhang

Inventor
Taicang, CN

Overview

3→
Patents
2016–2021
Patent span
Human necessities
Primary field (CPC A)

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 purposes25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
C07DHeterocyclic compounds25%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016Patents assigned to CROWN BIOSCIENCE INC TAIWAN (1)· patent assignee history
2016–2018Based in Taicang, CN· patent location history
2018Patents assigned to BEIJING PEARL BIOTECHNOLOGY LLC (1)· patent assignee history
2021Patents assigned to BEIJING BOE DISPLAY TECH CO (1)· patent assignee history
2021Patents assigned to BOE TECHNOLOGY GROUP CO LTD (1)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIJING BOE DISPLAY TECH CO12021
BEIJING PEARL BIOTECHNOLOGY LLC12018
BOE TECHNOLOGY GROUP CO LTD12021
CROWN BIOSCIENCE INC TAIWAN12016
Locations
LocationPatentsSpan
Taicang, CN22016–2018
Beijing, CN12021