Earphone
US-10321215-B2 · Jun 11, 2019 · US
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Guo Tonghui patents
Guo Tonghui is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Guo Tonghui |
| Total patents | 4 |
| First publication | Jun 7, 2018 |
| Latest publication | Jun 11, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Earphone
US-10306349-B2 · May 28, 2019 · US
Earphone
US-2018332378-A1 · Nov 15, 2018 · US
Earphone
US-2018160214-A1 · Jun 7, 2018 · 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 |
|---|---|
| Goertek Inc | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04R1/1016 | 4 |
| H04R1/1058 | 4 |
| H04R1/1041 | 4 |
| H04R1/1008 | 2 |
| H04R1/10 | 2 |