Waterproof speaker device
US-2020128311-A1 · Apr 23, 2020 · US
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Lo Chi-Chen patents
Lo Chi-Chen is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lo Chi-Chen |
| Total patents | 3 |
| First publication | Sep 3, 2019 |
| Latest publication | Apr 23, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Waterproof speaker device
US-10609461-B1 · Mar 31, 2020 · US
Electronic device having buffering positioning mechanism
US-10405441-B1 · Sep 3, 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 |
|---|---|
| Getac Technology Corp | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04R1/44 | 2 |
| H04R1/025 | 2 |
| H04R2499/11 | 2 |
| H04R9/06 | 2 |
| H04R7/18 | 2 |