GENEVA, April 15 -- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD. (1-5-1, Sotokanda, Chiyoda-ku, Tokyo1010021), 株式会社日立産機システム (東京都千代田区外神田一丁目５番１号) filed a patent application (PCT/JP2024/020340) for "COMPRESSED AIR ENERGY STORAGE DEVICE" on Jun 04, 2024. With publication no. WO/2025/074687, the details related to the patent application was published on Apr 10, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO)....