Inventor
Zhiqiong WEI
Inventor
CN
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
11,146,882Earphone2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to Shenzhen grandsun electronic co ltd (1)· patent assignee history
2021Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| Shenzhen grandsun electronic co ltd | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 1 | 2021 |