Drowsy driving detection method and system thereof, and computer device
US-12488601-B2 · Dec 2, 2025 · US
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Cai Jichen patents
Cai Jichen is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cai Jichen |
| Total patents | 2 |
| First publication | Jul 20, 2023 |
| Latest publication | Dec 2, 2025 |
Notable patents
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Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Guangzhou Automobile Group Co | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G06V20/597 | 2 |
| G06V40/168 | 2 |
| G06V40/18 | 2 |
| B60W40/09 | 2 |
| H04N23/56 | 2 |