Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
YO

Yoshifumi Oizumi

Yamaha: 1 patents #20 of 99Top 25%
Overall (2025): #159,801 of 469,880Top 35%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12375847 Phone booth and method of controlling output of directional speaker Shinichi Kato 2025-07-29