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Jun Shiroishi

DH D&M Holdings: 1 patents #1 of 11Top 10%
Overall (2025): #327,156 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12212913 Earphone device Shinya Narisawa, Osamu Horikawa 2025-01-28