Inventor

YOU-HSIEN CHANG

Inventor
TW

Overview

3→
Patents
2021–2025
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Lprimary
H01LSemiconductor devices33%
H10HInorganic light-emitting semiconductor devices having potential barriers33%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1033%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to EPISTAR CORP (3)· patent assignee history
2021–2025Based in TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EPISTAR CORP32021–2025
Locations
LocationPatentsSpan
TW32021–2025