Inventor
CHIEH-AN CHANG
Inventor
TW
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus24%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them24%
H04NPictorial communication, e.g. television13%
H10NElectric solid-state devices not otherwise provided for9%
H02NElectric machines not otherwise provided for7%
H01FMagnets6%
H02KDynamo-electric machines6%
G01DMeasuring not specially adapted for a specific variable3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
G06FElectric digital data processing3%
PatentTitleYear
12,498,536Optical element driving mechanism202512,461,428Optical element driving mechanism202512,449,631Optical element driving mechanism202512,353,047Optical system202512,353,045Optical element driving mechanism202512,353,046Optical component driving mechanism202512,323,687Driving mechanism202512,225,276Optical element driving mechanism202512,078,861Optical system202412,066,688Optical element drive mechanism202411,994,740Optical element drive mechanism202411,867,969Optical element driving mechanism202411,809,013Optical system202311,561,360Optical system202311,550,112Optical system202311,314,031Optical element driving mechanism2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to TDK TAIWAN CORP (11)· patent assignee history
2022–2025Based in TW· patent location history
2025Patents assigned to TDK CORP (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK TAIWAN CORP | 11 | 2022–2025 |
| TDK CORP | 5 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| TW | 16 | 2022–2025 |