AK

Atsushi Kumagai

HI Hitachi: 1 patents #856 of 3,149Top 30%
WL Wilkinson Sword Limited: 1 patents #2 of 3Top 70%
Overall (1994): #155,164 of 165,921Top 95%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5275672 Razor blade steel having high corrosion resistance and differential residual austenite content Wolfgang Althaus 1994-01-04