Acoustic in ear detection for a hearable device
US-10491981-B1 · Nov 26, 2019 · US
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Na Chen patents
Na Chen is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Na Chen |
| Total patents | 3 |
| First publication | Mar 28, 2019 |
| Latest publication | Nov 26, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Earphones With Sensors
US-2019098388-A1 · Mar 28, 2019 · US
Earbuds With Capacitive Sensors
US-2019098390-A1 · Mar 28, 2019 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Apple Inc | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04R1/1041 | 3 |
| H04R1/105 | 2 |
| H04R2460/03 | 2 |
| H04R1/1016 | 2 |
| H04R2420/07 | 2 |