FT

Fumio Tohyama

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
📍 Matsue, JP: #24 of 70 inventorsTop 35%
Overall (All Time): #2,084,144 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8097097 Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same Yoshiyuki Inoue 2012-01-17
7513960 Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same Yoshiyuki Inoue 2009-04-07