GENEVA, March 24 -- SOFTBANK CORP. (1-7-1, Kaigan, Minato-ku, Tokyo1057529), ソフトバンク株式会社 (東京都港区海岸一丁目7番1号), KEIO UNIVERSITY (15-45, Mita 2-chome, Minato-ku, Tokyo1088345), 慶應義塾 (東京都港区三田二丁目15番45号) filed a patent application (PCT/JP2025/031856) for "POLYMER, ELECTRODE ACTIVE SUBSTANCE, BATTERY, FLYING VEHICLE, AND METHOD FOR PRODUCING POLYMER" on Sep 09, 2025. With publication no. WO/2026/058873, the details related to the patent application ...