Inventor
Xiangmao Dong
Inventor
Shanghai, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements50%
H01GCapacitors25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018Patents assigned to UNIV EAST CHINA SCIENCE & TECH (2)· patent assignee history
2018Based in Shanghai, CN· patent location history
2021Patents assigned to AAC TECHNOLOGIES PTE LTD (1)· patent assignee history
2021Based in Shenzhen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV EAST CHINA SCIENCE & TECH | 2 | 2018 |
| AAC TECHNOLOGIES PTE LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 2 | 2018 |
| Shenzhen, CN | 1 | 2021 |