Inventor

ZHANG ZUOHUA

US2 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG ZUOHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMAZON TECH INC

1 patent

US11182691B1Nov 23, 2021

Category-based sampling of machine learning data

AMAZON TECH INC106 citations92

GRIEGEL DAVID

1 patent

US8567669B2Oct 29, 2013

Method and apparatus for a merchant profile builder

GRIEGEL DAVID82 citations90