Inventor

Xiaowei Chang

Inventor

Taoyuan, TW

Overview

2012–2021

Patent span

Human necessities

Primary field (CPC A)

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes29%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%

A61QSpecific use of cosmetics or similar toiletry preparations14%

G01NInvestigating or analysing materials by determining their chemical or physical properties14%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems14%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to CHANG XING (1)· patent assignee history

2012Patents assigned to LIU RUNHUA (1)· patent assignee history

2012Patents assigned to LIU YAN (1)· patent assignee history

2012Based in Ann Arbor, MI, US· patent location history

2021Patents assigned to DELTA ELECTRONICS INC (1)· patent assignee history

2021Patents assigned to HENKEL AG & CO KGAA (1)· patent assignee history

2021Based in Taoyuan, TW· patent location history

2021Based in Shanghai, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations