GENEVA, Nov. 4 -- NIPPON STEEL CORPORATION (6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo1008071), 日本製鉄株式会社 (東京都千代田区丸の内二丁目６番１号) filed a patent application (PCT/JP2025/014761) for "BLAST FURNACE, TUYERE FOR BLAST FURNACE, AND METHOD FOR SUPPLYING REDUCING GAS TO BLAST FURNACE" on Apr 15, 2025. With publication no. WO/2025/225450, the details related to the patent application was published on Oct 30, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organizatio...