INTERNATIONAL PATENT: SUMITOMO OSAKA CEMENT CO., LTD., 住友大阪セメント株式会社 FILES APPLICATION FOR "OPTICAL WAVEGUIDE ELEMENT, OPTICAL WAVEGUIDE DEVICE AND OPTICAL TRANSMISSION APPARATUS"

GENEVA, Aug. 11 -- 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/JP2024/003502) for "OPTICAL WAVEGUIDE ELEMENT, OPTICAL WAVEGUIDE DEVICE, AND OPTICAL TRANSMISSION APPARATUS" on Feb 02, 2024. With publication no. WO/2025/163891, the details related to the patent application was published on Aug 07, 2025.

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