GENEVA, May 11 -- HITACHI, LTD. (6-6, Marunouchi 1-chome, Chiyoda-ku, Tokyo1008280), 株式会社日立製作所 (東京都千代田区丸の内一丁目６番６号), ASTEMO, LTD. (2-1, Otemachi 2-chome, Chiyoda-ku, Tokyo1000004), Ａｓｔｅｍｏ株式会社 (東京都千代田区大手町二丁目２番１号) filed a patent application (PCT/JP2025/029805) for "POWER CONVERSION DEVICE" on Aug 25, 2025. With publication no. WO/2026/094394, the details related to the patent app...