Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
YT

Yasumasa Takemura

JS Jfe Steel: 1 patents #134 of 322Top 45%
Overall (2025): #165,963 of 469,880Top 40%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12227815 Seamless steel pipe having desirable sulfuric acid dew-point corrosion resistance, and method for manufacturing same Masao Yuga, Hiroyuki Takai, Mitsuhiro Okatsu 2025-02-18