MH

Masato Hachikawa

📍 Oshima, JP: #663 of 1,090 inventorsTop 65%
Overall (All Time): #3,372,014 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7461599 Derailment protection apparatus — 2008-12-09