Inventor

SHIOJIMA HIROYUKI

JP3 patents

Patents

3 patents

US9774937B2Sep 26, 2017

Speaker unit

YAMAHA CORP5 citations70

US12225342B2Feb 11, 2025

Coaxial speaker horn, and coaxial speaker

YAMAHA CORP2 citations65

US9843848B2Dec 12, 2017

Speaker unit

YAMAHA CORP0 citations38