GENEVA, March 10 -- SUMITOMO METAL MINING CO., LTD. (11-3, Shimbashi 5-chome, Minato-ku, Tokyo1058716), 住友金属鉱山株式会社 (東京都港区新橋５丁目１１番３号) filed a patent application (PCT/JP2025/029929) for "COPPER COMPLEX INK AND COPPER FILM PRODUCTION METHOD" on Aug 26, 2025. With publication no. WO/2026/048800, the details related to the patent application was published on Mar 05, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): HANZAWA, Ka...