KH

Katsutoki Hanayama

Yamaha: 1 patents #20 of 99Top 25%
Overall (2025): #324,972 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12225342 Coaxial speaker horn, and coaxial speaker Hiroyuki Shiojima, Bahari Satriyo 2025-02-11