Portable sound equipment
US-10542343-B2 · Jan 21, 2020 · US
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Cho Ehwan patents
Cho Ehwan is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cho Ehwan |
| Total patents | 4 |
| First publication | Mar 1, 2018 |
| Latest publication | Jan 21, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Portable sound equipment
US-2018338200-A1 · Nov 22, 2018 · US
Portable sound equipment
US-9973842-B2 · May 15, 2018 · US
Portable sound equipment
US-2018063620-A1 · Mar 1, 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 |
|---|---|
| Lg Electronics Inc | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04R2420/07 | 4 |
| H04R1/105 | 4 |
| H04R1/1033 | 4 |
| H04R1/1066 | 4 |
| H04R1/1041 | 4 |