GENEVA, May 3 -- HANGZHOU NORMAL UNIVERSITY (2318 Yuhangtang Road, Yuhang DistrictHangzhou, Zhejiang 311100), 杭州师范大学 (中国浙江省杭州市余杭区余杭塘路2318号) filed a patent application (PCT/CN2025/129164) for "MULTI-TIER USER QUANTUM KEY DISTRIBUTION NETWORK AND DISTRIBUTION METHOD BASED ON MULTIPLE ENTANGLED PHOTON SOURCES" on Oct 22, 2025. With publication no. WO/2026/086813, the details related to the patent application was published on Apr 30, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Proper...