Speaker
US-9813818-B2 · Nov 7, 2017 · US
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Wu Shuwen patents
Wu Shuwen holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Feb 16, 2017 |
| Latest publication | Nov 7, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Not enough yearly data to assess filing trend yet.
| Year | Patents |
|---|---|
| 2017 | 4 |
| Year | Patents |
|---|---|
| 2017 | 4 |
Recent patents
Latest publications where this party is an assignee.
Miniature sound generator
US-9813821-B1 · Nov 7, 2017 · US
Speaker
US-2017048621-A1 · Feb 16, 2017 · US
Speaker
US-2017048622-A1 · Feb 16, 2017 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Speaker
US-9813818-B2 · Nov 7, 2017 · US
Miniature sound generator
US-9813821-B1 · Nov 7, 2017 · US
Speaker
US-2017048621-A1 · Feb 16, 2017 · US
Speaker
US-2017048622-A1 · Feb 16, 2017 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| H04R9/06 | 4 |
| H04R9/025 | 4 |
| H04R9/043 | 3 |
| H04R7/127 | 3 |
| H04R2307/027 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 4 |