GENEVA, March 3 -- 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/JP2025/019834) for "OIL REGENERATION DEVICE, METHOD FOR PRODUCING REGENERATED OIL, ADDITIVE, AND ADSORBENT SET" on Jun 02, 2025. With publication no. WO/2026/042369, the details related to the patent application was published on Feb 26, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO...