INTERNATIONAL PATENT: NHK SPRING CO., LTD., 日本発條株式会社, DAIDO STEEL CO., LTD., 大同特殊鋼株式会社 FILES APPLICATION FOR "STEEL MATERIAL FOR SPRING AND COIL SPRING"

Posted On: 2026-02-03

GENEVA, Feb. 3 -- NHK SPRING CO., LTD. (3-10, Fukuura, Kanazawa-ku, Yokohama-shi, Kanagawa2360004), 日本発條株式会社 (神奈川県横浜市金沢区福浦３丁目１０番地), DAIDO STEEL CO., LTD. (1-10, Higashisakura 1-chome, Higashi-ku, Nagoya-shi, Aichi4618581), 大同特殊鋼株式会社 (愛知県名古屋市東区東桜一丁目１－１０) filed a patent application (PCT/JP2025/026054) for "STEEL MATERIAL FOR SPRING, AND COIL SPRING" on Jul 23, 2025. With ...

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INTERNATIONAL PATENT: NHK SPRING CO., LTD., 日本発條株式会社, DAIDO STEEL CO., LTD., 大同特殊鋼株式会社 FILES APPLICATION FOR "STEEL MATERIAL FOR SPRING AND COIL SPRING"