Inventor

CHENG-JUI CHANG

Inventor
TW

Overview

8→
Patents
2022–2026
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions15%
G06FElectric digital data processing15%
G02BOptical elements, systems or apparatus10%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%
H02KDynamo-electric machines10%
H04NPictorial communication, e.g. television10%
G01MTesting static or dynamic balance of machines or structures5%
G01RMeasuring electric variables5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
H01FMagnets5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to UNIMICRON TECH CORPORATION (3)· patent assignee history
2022Patents assigned to UNIMICRON TECHNOLOGY CORP (1)· patent assignee history
2022–2026Based in TW· patent location history
2023Patents assigned to PHISON ELECTRONICS CORP (1)· patent assignee history
2024–2026Patents assigned to TDK TAIWAN CORP (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK TAIWAN CORP32024–2026
UNIMICRON TECH CORPORATION32022–2023
PHISON ELECTRONICS CORP12023
UNIMICRON TECHNOLOGY CORP12022
Locations
LocationPatentsSpan
TW82022–2026