TO

Takumi Ohata

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
5M 501 Hitachi Metals: 1 patents #1 of 21Top 5%
📍 Ashiya, JP: #59 of 346 inventorsTop 20%
Overall (All Time): #805,952 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 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
11045849 Composite cemented carbide roll 2021-06-29
10920304 Cemented carbide and its production method, and rolling roll Shunji Matsumoto 2021-02-16
9757779 Centrifugally cast composite roll for hot rolling and its production method Nozomu Oda, Yasunori Nozaki, Ryouta Honda 2017-09-12
4958422 Wear-resistant compound roll Masahiko Oshima, Toshiyuki Hatori 1990-09-25