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Inventor

Xiaofeng Hao

Inventor
Sichuan, CN

Overview

2→
Patents
2017–2020
Patent span
Human necessities
Primary field (CPC A)

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 purposes20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%
D06FLaundering, drying, ironing, pressing or folding textile articles20%
F16DCouplings for transmitting rotation20%
H02KDynamo-electric machines20%
PatentTitleYear
10,646,536Pharmaceutical composition for preventing and treating senile dementia and preparation method thereof20209,657,796'Frequency-variable hand rubbed-type motor speed reduction clutch apparatus, and washing machine'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to HAIER GROUP CORP (1)· patent assignee history
2017Patents assigned to QINGDAO HAIER WASHING MACH CO (1)· patent assignee history
2017Based in Shandong, CN· patent location history
2020Patents assigned to SICHUAN JISHENGTANG PHARMACEUTICAL CO LTD (1)· patent assignee history
2020Based in Sichuan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAIER GROUP CORP12017
QINGDAO HAIER WASHING MACH CO12017
SICHUAN JISHENGTANG PHARMACEUTICAL CO LTD12020
Locations
LocationPatentsSpan
Sichuan, CN12020
Shandong, CN12017