GENEVA, Jan. 13 -- 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/JP2025/022897) for "POWER CONVERSION DEVICE AND METHOD FOR MANUFACTURING PRINTED CIRCUIT BOARD FOR POWER CONVERSION DEVICE" on Jun 25, ...