OO

Osamu Ohyama

NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
📍 Otofuke, JP: #116 of 546 inventorsTop 25%
Overall (All Time): #1,466,229 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10266908 Rolled steel bar for machine structural use and method of producing the same Hiromasa Takada, Shinya Teramoto 2019-04-23
10260123 Rolled steel bar for machine structural use and method of producing the same Hiromasa Takada, Shinya Teramoto 2019-04-16
5993571 Steel for machine structural use and machine parts made from such steel Hirohito Eto, Hiromasa Takada, Tetsuroh Hashiguchi 1999-11-30