Inventor
RUAN CHUANWEI
US8 patents
⚠️ This page may combine multiple inventors who share the name “RUAN CHUANWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WALMART APOLLO LLC
5 patentsUS11068960B2Jul 20, 2021
Methods and apparatus for item substitution
WALMART APOLLO LLC8 citations83
US11640635B2May 2, 2023
Methods and apparatus for item substitution
WALMART APOLLO LLC0 citations61
US12499375B2Dec 16, 2025
Generating recommendations using adversarial counterfactual learning and evaluation
WALMART APOLLO LLC0 citations51
US11468489B2Oct 11, 2022
System, non-transitory computer readable medium, and method for self-attention with functional time representation learning
WALMART APOLLO LLC0 citations51
US12154158B2Nov 26, 2024
System and method for automatically generating similar items using spectral filtering
WALMART APOLLO LLC0 citations50
MAPLEBEAR INC
3 patentsUS12423722B2Sep 23, 2025
Incrementally updating embeddings for use in a machine learning model by accounting for effects of the updated embeddings on the machine learning model
MAPLEBEAR INC0 citations59
US12051081B2Jul 30, 2024
Incrementally updating embeddings for use in a machine learning model by accounting for effects of the updated embeddings on the machine learning model
MAPLEBEAR INC0 citations59
US12555153B2Feb 17, 2026
Recommendation method, product, and system using user embeddings having stable long-term component and dynamic short-term session component
MAPLEBEAR INC0 citations46