KO

Kotaro ONA

📍 Kawagoe, JP: #502 of 1,278 inventorsTop 40%
Overall (All Time): #1,347,564 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12421565 Low thermal expansion cast steel and method of production of same Naoki Sakaguchi, Haruyasu OHNO 2025-09-23
12421584 Low thermal expansion cast steel and method of producing same Haruyasu OHNO, Naoki Sakaguchi 2025-09-23
11371123 Low thermal expansion alloy Haruyasu OHNO, Naoki Sakaguchi 2022-06-28