OY

Oogawara Yukimi

📍 Tottori, JP: #126 of 379 inventorsTop 35%
Overall (All Time): #2,300,406 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5193752 Method of making concrete sand 1993-03-16
4995561 Ground sand maker 1991-02-26