GENEVA, Jan. 5 -- 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), 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) filed a patent application (PCT/JP2024/023519) for "MANUFACTURING METHOD AND DEVICE FOR ROTARY ELECTRIC MACHINE ROTOR HAVING HALBACH MAGNET ARRAY" on Jun 28, 2024. With...