HI

Hirofumi Itoh

MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
CK Churyo Engineering Kabushiki Kaisha: 2 patents #12 of 45Top 30%
Overall (All Time): #1,653,946 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5358369 Can seamer Naoyoshi Katou, Seiki Tamiya, Masateru Takahara 1994-10-25
5320469 Can seamer Naoyoshi Katou, Seiki Tamiya, Masateru Takahara 1994-06-14
5299899 Can seamer Naoyoshi Katou, Seiki Tamiya, Masateru Takahara 1994-04-05