Inventor

HAIYAN LIU

Inventor
CN

Overview

15→
Patents
2022–2025
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

LOC02primary
LOC029%
A61KPreparations for medical, dental or toiletry purposes4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C01BNon-metallic elements4%
C02FTreatment of water, waste water, sewage, or sludge4%
C07KPeptides4%
H01LSemiconductor devices4%
H05KPrinted circuits4%
A01KAnimal husbandry2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to JIANGSU NUO BETA PHARMACEUTICAL TECH CO LTD (2)· patent assignee history
2022–2023Patents assigned to UNIV CHINA PETROLEUM BEIJING (2)· patent assignee history
2022–2025Based in CN· patent location history
2024–2025Patents assigned to SHENZHEN NAHAO NETWORK TECH CO LTD (3)· patent assignee history
2024Patents assigned to AU OPTRONICS KUNSHAN CO LTD (1)· patent assignee history
2025Patents assigned to GUANGZHOU FANZHIRONG COSMETICS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHENZHEN NAHAO NETWORK TECH CO LTD32024–2025
JIANGSU NUO BETA PHARMACEUTICAL TECH CO LTD22022–2023
UNIV CHINA PETROLEUM BEIJING22022–2023
AU OPTRONICS KUNSHAN CO LTD12024
GUANGZHOU FANZHIRONG COSMETICS CO LTD12025
Locations
LocationPatentsSpan
CN152022–2025