Inventor

ROUSSEAU MARTIAL A

US3 patents

Patents

3 patents

US12464295B2Nov 4, 2025

Air motion transformer transducer with closed-circuit magnet motor system

APPLE INC0 citations58

US12538079B2Jan 27, 2026

Magnetic stiffness reduction for audio transducers

APPLE INC0 citations57

US11543864B2Jan 3, 2023

Speaker assembly for electronic device

APPLE INC0 citations50