HO

Hirofumi Ohtsubo

JS Jfe Steel: 3 patents #450 of 1,401Top 35%
Overall (All Time): #1,353,149 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11891675 Duplex stainless clad steel plate and method of producing same Yota Kuronuma, Tomoyuki Yokota 2024-02-06
11692252 Duplex stainless clad steel plate and method of producing same Yota Kuronuma, Tomoyuki Yokota 2023-07-04
10351926 High toughness and high tensile strength thick steel plate with excellent material homogeneity and production method for same Yota Kuronuma, Shigeki Kitsuya, Katsuyuki Ichimiya, Kazukuni Hase 2019-07-16