Inventor
LIEN YU-AN
US12 patents
Patents
12 patentsUS10708472B2Jul 7, 2020
Doorbell camera
GOOGLE LLC34 citations93
US10664688B2May 26, 2020
Systems and methods of detecting and responding to a visitor to a smart home environment
GOOGLE LLC24 citations93
US11710387B2Jul 25, 2023
Systems and methods of detecting and responding to a visitor to a smart home environment
GOOGLE LLC7 citations85
US11356643B2Jun 7, 2022
Systems and methods of presenting appropriate actions for responding to a visitor to a smart home environment
GOOGLE LLC8 citations85
US11256908B2Feb 22, 2022
Systems and methods of detecting and responding to a visitor to a smart home environment
GOOGLE LLC8 citations85
US11212427B2Dec 28, 2021
Doorbell camera
GOOGLE LLC15 citations85
US11134227B2Sep 28, 2021
Systems and methods of presenting appropriate actions for responding to a visitor to a smart home environment
GOOGLE LLC9 citations85
US11039048B2Jun 15, 2021
Doorbell camera
GOOGLE LLC11 citations85
US12125369B2Oct 22, 2024
Systems and methods of detecting and responding to a visitor to a smart home environment
GOOGLE LLC1 citations72
US11997370B2May 28, 2024
Doorbell camera
GOOGLE LLC2 citations72
US11671683B2Jun 6, 2023
Doorbell camera
GOOGLE LLC3 citations72
US12342059B2Jun 24, 2025
Doorbell camera
GOOGLE LLC0 citations62