Inventor

MATHIAS LAMBERT LEO

US4 patents

Patents

4 patents

US11386890B1Jul 12, 2022

Natural language understanding

AMAZON TECH INC24 citations93

US10878808B1Dec 29, 2020

Speech processing dialog management

AMAZON TECH INC38 citations90

US12573383B2Mar 10, 2026

Natural language understanding

AMAZON TECH INC0 citations61

US12451127B2Oct 21, 2025

Speech processing dialog management

AMAZON TECH INC0 citations56