Inventor

Kay Liu

Inventor
Beijing, CN

Overview

2→
Patents
2017–2021
Patent span
Physics
Primary field (CPC G)

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%
A61QSpecific use of cosmetics or similar toiletry preparations20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
G01RMeasuring electric variables20%
G01VGeophysics20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to LIU KAY (1)· patent assignee history
2017Patents assigned to SHANTEL MEDICAL SUPPLY CORP (1)· patent assignee history
2017Based in San Marino, CA, US· patent location history
2021Patents assigned to PETROCHINA 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
LIU KAYself12017
PETROCHINA CO LTD12021
SHANTEL MEDICAL SUPPLY CORP12017
Locations
LocationPatentsSpan
Beijing, CN12021
San Marino, California, US12017