Inventor
Chun-I Chang
Inventor
Hsinchu County, TW
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers100%
PatentTitleYear
11,057,716Sound producing device2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to XMEMS LABS INC (1)· patent assignee history
2021Based in Hsinchu County, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XMEMS LABS INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu County, TW | 1 | 2021 |