GENEVA, Dec. 1 -- JFE STEEL CORPORATION (2-3, Uchisaiwai-cho 2-chome, Chiyoda-ku, Tokyo1000011), JFEスチール株式会社 (東京都千代田区内幸町二丁目2番3号) filed a patent application (PCT/JP2025/004508) for "BLAST FURNACE OPERATION STATE EVALUATION METHOD AND OPERATION METHOD" on Feb 12, 2025. With publication no. WO/2025/243614, the details related to the patent application was published on Nov 27, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization ...