Inventor

YONGGANG ZHANG

Inventor
CN

Overview

15→
Patents
2022–2025
Patent span
Human necessities
Primary field (CPC A)

Patents· 15 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein18%
A61KPreparations for medical, dental or toiletry purposes9%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations9%
C10GCracking hydrocarbon oils9%
C12NMicroorganisms or enzymes9%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact9%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application9%
A47JKitchen equipment6%
B30BPresses in general3%
F15DFluid dynamics, i.e. methods or means for influencing the flow of gases or liquids3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2024Patents assigned to BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP (3)· patent assignee history
2022–2024Patents assigned to CHINA PETROLEUM & CHEM CORP (3)· patent assignee history
2022–2025Patents assigned to Temple University—Of the Commonwealth System of Higher Education (3)· patent assignee history
2022–2025Based in CN· patent location history
2022–2025Based in US· patent location history
2023–2025Patents assigned to BOE TECHNOLOGY GROUP CO LTD (6)· patent assignee history
2023–2025Patents assigned to HEFEI BOE DISPLAY TECH CO LTD (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOE TECHNOLOGY GROUP CO LTD62023–2025
HEFEI BOE DISPLAY TECH CO LTD62023–2025
BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP32022–2024
CHINA PETROLEUM & CHEM CORP32022–2024
Temple University—Of the Commonwealth System of Higher Education32022–2025
Locations
LocationPatentsSpan
CN122022–2025
US32022–2025