HO

Hitoshi Ohnuma

HE Hitachi Tool Engineering: 1 patents #13 of 41Top 35%
Overall (All Time): #3,229,209 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8304098 Hard-coated member, and its production method Kazuyuki Kubota 2012-11-06