GENEVA, Aug. 5 -- SEIKO INSTRUMENTS INC. (8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba2618507), セイコーインスツル株式会社 (千葉県千葉市美浜区中瀬１丁目８番地) filed a patent application (PCT/JP2024/038552) for "METAL DIAPHRAGM AND METHOD FOR MANUFACTURING SAME" on Oct 29, 2024. With publication no. WO/2025/158744, the details related to the patent application was published on Jul 31, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (W...