Doorbell camera
US-12342059-B2 · Jun 24, 2025 · US
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Lien Yu-An patents
Lien Yu-An is listed as an inventor on 26 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lien Yu-An |
| Total patents | 26 |
| First publication | Jul 5, 2018 |
| Latest publication | Jun 24, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Systems and Methods of Detecting and Responding to a Visitor to a Smart Home Environment
US-2025029460-A1 · Jan 23, 2025 · US
Systems and methods of detecting and responding to a visitor to a smart home environment
US-12125369-B2 · Oct 22, 2024 · US
Doorbell Camera
US-2024244305-A1 · Jul 18, 2024 · US
Doorbell camera
US-11997370-B2 · May 28, 2024 · US
Doorbell Camera
US-2023345094-A1 · Oct 26, 2023 · US
Systems and Methods of Detecting and Responding to a Visitor to a Smart Home Environment
US-2023306826-A1 · Sep 28, 2023 · US
Systems and methods of detecting and responding to a visitor to a smart home environment
US-11710387-B2 · Jul 25, 2023 · US
Doorbell camera
US-11671683-B2 · Jun 6, 2023 · US
Systems and Methods of Detecting and Responding to a Visitor to a Smart Home Environment
US-2022247978-A1 · Aug 4, 2022 · US
Recent patents
Latest publications not already listed above.
Systems and Methods of Detecting and Responding to a Visitor to a Smart Home Environment
US-2022237948-A1 · Jul 28, 2022 · US
Systems and methods of presenting appropriate actions for responding to a visitor to a smart home environment
US-11356643-B2 · Jun 7, 2022 · US
Doorbell Camera
US-2022124226-A1 · Apr 21, 2022 · US
Systems and methods of detecting and responding to a visitor to a smart home environment
US-11256908-B2 · Feb 22, 2022 · US
Doorbell camera
US-11212427-B2 · Dec 28, 2021 · US
Systems and methods of presenting appropriate actions for responding to a visitor to a smart home environment
US-2021377493-A1 · Dec 2, 2021 · US
Systems and methods of presenting appropriate actions for responding to a visitor to a smart home environment
US-11134227-B2 · Sep 28, 2021 · US
Doorbell camera
US-11039048-B2 · Jun 15, 2021 · US
Doorbell Camera
US-2020288045-A1 · Sep 10, 2020 · US
Systems and methods of detecting and responding to a visitor to a smart home environment
US-2020285841-A1 · Sep 10, 2020 · US
Doorbell camera
US-10708472-B2 · Jul 7, 2020 · US
Doorbell Camera
US-2020213484-A1 · Jul 2, 2020 · US
Systems and methods of detecting and responding to a visitor to a smart home environment
US-10664688-B2 · May 26, 2020 · US
Systems and Methods of Presenting Appropriate Actions for Responding to a Visitor to a Smart Home Environment
US-2019089934-A1 · Mar 21, 2019 · US
Systems and Methods of Detecting and Responding to a Visitor to a Smart Home Environment
US-2019087646-A1 · Mar 21, 2019 · US
Doorbell Camera
US-2018191930-A1 · Jul 5, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Google Llc | 26 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G08B3/10 | 26 |
| H04N7/186 | 17 |
| H04M11/025 | 14 |
| G08B13/19656 | 14 |
| H04M11/02 | 14 |