HK

Hidetsugu Koyama

📍 Kasai, JP: #148 of 426 inventorsTop 35%
Overall (2025): #369,285 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1072136 Training aid — 2025-04-22