KA

Koichi Arai

📍 Tottori, JP: #3 of 18 inventorsTop 20%
Overall (2025): #314,494 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12285810 Drill for carbon-fiber composite material Giichi Arai, Katsuyo Kimura, Satoshi Teshima 2025-04-29