GENEVA, Nov. 24 -- 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/JP2025/004889) for "MIXED GAS GRID MAINTENANCE SYSTEM AND MIXED GAS GRID MAINTENANCE METHOD" on Feb 14, 2025. With publication no. WO/2025/238953, the details related to the patent application was published on Nov 20, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): WA...