JFE STEEL CORPORATION patent applications published on July 25th, 2024

Summary of the patent applications from JFE STEEL CORPORATION on July 25th, 2024

Summary: JFE STEEL CORPORATION has recently filed patents related to the production of grain-oriented electrical steel sheets with improved magnetic properties, corrosion resistance, and rust prevention. These patents involve specific heating, rolling, annealing, and coating processes to enhance the performance of the steel sheets. The innovations focus on controlling the production process to prevent edge cracks, improve adhesion, and optimize the composition for optimal properties.

Key Points of Patents: - Specific heating, rolling, and annealing processes for grain-oriented electrical steel sheets - Application of an annealing separator and precise temperature control for enhanced properties - Fe-based coating film with P-containing substance for improved rust prevention and adhesion

Notable Applications: - Manufacturing of electrical transformers, motors, generators, and other electrical equipment - Automotive industry for rust prevention in vehicle parts - Construction industry for durable steel structures - Aerospace industry for structural components

These patents offer solutions to challenges in steel production, providing benefits such as improved magnetic properties, corrosion resistance, and extended lifespan of products in various industries.

Patent applications for JFE STEEL CORPORATION on July 25th, 2024

AUTOMOTIVE MEMBER AND RESISTANCE SPOT WELDING METHOD THEREFOR (18561363)

Main Inventor

Katsutoshi TAKASHIMA

MOLTEN STEEL DENITRIFICATION METHOD AND STEEL PRODUCTION METHOD (18560737)

Main Inventor

Hidemitsu NEGISHI

HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING HIGH-STRENGTH HOT-ROLLED STEEL SHEET (18289606)

Main Inventor

Hiroshi Hasegawa

METHOD OF DETERMINING FINAL ANNEALING CONDITIONS FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET USING METHOD OF DETERMINING THEREOF (18264928)

Main Inventor

Makoto WATANABE

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET (18564171)

Main Inventor

Masanori Takenaka

STOCK COLD-ROLLED STEEL SHEET WITH FE-BASED COATING FILM, METHOD FOR PRODUCING STOCK COLD-ROLLED STEEL SHEET WITH FE-BASED COATING FILM, METHOD FOR PRODUCING COLD-ROLLED STEEL SHEET WITH FE-BASED COATING FILM, METHOD FOR PRODUCING HOT-DIPPED GALVANIZED STEEL SHEET, AND METHOD FOR PRODUCING ALLOYED HOT-DIPPED GALVANIZED STEEL SHEET ([[JFE STEEL CORPORATION (18289920). STOCK COLD-ROLLED STEEL SHEET WITH FE-BASED COATING FILM, METHOD FOR PRODUCING STOCK COLD-ROLLED STEEL SHEET WITH FE-BASED COATING FILM, METHOD FOR PRODUCING COLD-ROLLED STEEL SHEET WITH FE-BASED COATING FILM, METHOD FOR PRODUCING HOT-DIPPED GALVANIZED STEEL SHEET, AND METHOD FOR PRODUCING ALLOYED HOT-DIPPED GALVANIZED STEEL SHEET simplified abstract|18289920]])

Main Inventor

Tomomi Kanazawa

FERRITIC STAINLESS STEEL (18562583)

Main Inventor

Shinji Oikawa

METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET (18561412)

Main Inventor

Takeshi IMAMURA