Surveillance camera control device and video surveillance system
US-9805265-B2 · Oct 31, 2017 · US
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Li Yuan patents
Li Yuan holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | Feb 24, 2015 |
| Latest publication | Oct 31, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| H04N7/181 | 2 |
| G06K9/00771 | 2 |
| G06V20/52 | 2 |
| G06K2009/00738 | 1 |
| G06K9/00718 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 2 |
| Electricity | 2 |