Inventor
CHIH-HUI CHANG
Inventor
TW
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them67%
G02BOptical elements, systems or apparatus33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2025Patents assigned to CORETRONIC CORP (2)· patent assignee history
2023–2025Based in TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CORETRONIC CORP | 2 | 2023–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| TW | 2 | 2023–2025 |