TO

Takumi Ohata

HI Hitachi: 2 patents #55 of 745Top 8%
📍 Ashiya, JP: #3 of 5 inventorsTop 60%
Overall (2023): #103,273 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11613796 Cemented carbide and composite cemented carbide roll for rolling 2023-03-28
11590545 Composite cemented carbide roll, and production method of composite cemented carbide roll Toshiyuki Hattori 2023-02-28