INTERNATIONAL PATENT: TOPPAN HOLDINGS INC., ＴＯＰＰＡＮホールディングス株式会社 FILES APPLICATION FOR "METAL FOIL FOR SPRING MEMBER, METHOD FOR PRODUCING METAL FOIL FOR SPRING MEMBER, METHOD FOR PRODUCING SPRING MEMBER AND SPRING MEMBER"

GENEVA, May 19 -- TOPPAN HOLDINGS INC. (5-1, Taito 1-chome, Taito-ku, Tokyo1100016), ＴＯＰＰＡＮホールディングス株式会社 (東京都台東区台東１丁目５番１号) filed a patent application (PCT/JP2025/039158) for "METAL FOIL FOR SPRING MEMBER, METHOD FOR PRODUCING METAL FOIL FOR SPRING MEMBER, METHOD FOR PRODUCING SPRING MEMBER, AND SPRING MEMBER" on Nov 07, 2025. With publication no. WO/2026/100696, the details related to the patent application was published on May 15, 2026.

Notably, the patent application was submitted under the International Patent ...