Inventor
Rongguo Yao
Inventor
Weifang, CN
Overview
Patents· 4 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 transducers40%
B23PMetal-working not otherwise provided for20%
H05KPrinted circuits20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
9,271,435'Miniature microphone, protection frame thereof and method for manufacturing the same'20168,693,712'Condenser microphone'20148,654,996'Spacer for a capacitive microphone and capacitive microphone with the same'20148,553,921'Miniature microphone, protection frame thereof and method for manufacturing the same'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2016Patents assigned to GOERTEK INC (4)· patent assignee history
2013–2014Patents assigned to YAO RONGGUO (3)· patent assignee history
2013–2014Patents assigned to DANG MAOQIANG (2)· patent assignee history
2013–2014Patents assigned to WANG XIANBIN (2)· patent assignee history
2013Patents assigned to LIU ZHONGYUAN (1)· patent assignee history
2013–2016Based in Weifang, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOERTEK INC | 4 | 2013–2016 |
| YAO RONGGUOself | 3 | 2013–2014 |
| DANG MAOQIANG | 2 | 2013–2014 |
| WANG XIANBIN | 2 | 2013–2014 |
| LIU ZHONGYUAN | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Weifang, CN | 4 | 2013–2016 |