OO

Osamu Ohyama

NM Nippon Steel & Sumitomo Metal: 2 patents #51 of 340Top 15%
📍 Otofuke, JP: #1 of 40 inventorsTop 3%
Overall (2019): #133,647 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 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