GENEVA, Sept. 16 -- SUMITOMO OSAKA CEMENT CO.,LTD. (1-9-2 Higashi-Shimbashi,Minato-ku, Tokyo1058641), 住友大阪セメント株式会社 (東京都港区東新橋一丁目9番2号) filed a patent application (PCT/JP2024/008510) for "OPTICAL WAVEGUIDE ELEMENT, OPTICAL MODULATOR USING SAME, AND OPTICAL TRANSMISSION DEVICE" on Mar 06, 2024. With publication no. WO/2025/186938, the details related to the patent application was published on Sep 11, 2025.

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