Inventor

WEI-CHIH CHANG

Inventor
TW

Overview

10→
Patents
2021–2025
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H01Lprimary
H01LSemiconductor devices10%
H10HInorganic light-emitting semiconductor devices having potential barriers10%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
H10DInorganic electric semiconductor devices7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
A61BDiagnosis3%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G06FElectric digital data processing3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2024Patents assigned to HON HAI PREC IND CO LTD (6)· patent assignee history
2021–2025Based in TW· patent location history
2022–2025Patents assigned to HTC CORP (3)· patent assignee history
2025Patents assigned to FOCALTECH SYSTEMS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HON HAI PREC IND CO LTD62021–2024
HTC CORP32022–2025
FOCALTECH SYSTEMS CO LTD12025
Locations
LocationPatentsSpan
TW102021–2025