Inventor
EGAMI KATSUHIKO
JP4 patents
Patents
4 patentsUS12425786B2Sep 23, 2025
Speaker distortion compensation device and speaker unit
ALPS ALPINE CO LTD0 citations49
US12532125B2Jan 20, 2026
Speaker
ALPS ALPINE CO LTD0 citations48
US12464283B2Nov 4, 2025
Audio system
ALPS ALPINE CO LTD0 citations48
US12581242B2Mar 17, 2026
Speaker
ALPS ALPINE CO LTD0 citations42