YI

Yoshinori Ishizawa

HC Hitachi Koki Co.: 1 patents #29 of 116Top 25%
📍 Ibaraki, JP: #166 of 586 inventorsTop 30%
Overall (1997): #56,313 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5647525 Driver blade for a percussion tool — 1997-07-15