MUMBAI, India, July 7 -- Intellectual Property India has published a patent application (202641079577 A) filed by Cmr Engineering College on June 29, 2026, for Internet Of Things Based Secure Device Authentication System Using Distributed Ledger Technology.

Inventors include Mrs. A Shravani; Mr. B. Sai Kumar; Mr. K. Sridhar; Mrs. Manne Suhasini; Mrs. M. Prathima; Mrs. P. Sandhya Reddy; and Mrs. D. Latha.

The application for the patent was published on July 03, 2026, under issue no. 27/2026.

Abstract: Abstract A IoT device authentication system is disclosed for use in a IoT network in which connected devices communicate through gateways to cloud or edge services. The system comprises a processor, memory, a communication interface, an input acquisition module, a preprocessing module, an analysis engine, and an output control module. The communication interface receives device identifiers, enrollment keys, gateway challenges, sensor message hashes, and ledger-based device records. The preprocessing module validates and normalizes received input records before the analysis engine performs IoT ledger authentication using stored rules, profiles, policies, model parameters, or reference records. The output control module compares a generated decision value with a stored threshold or policy condition and generates device authorization signals, denied-session records, ledger updates, and gateway alerts. The system stores an audit record linking source identity, validation state, decision value, and selected output action. The arrangement provides a controlled technical data path from input Fig. 1 Dated June 23, 2026 / Mungalpara Jigneshbhai Chhaganbhai IN/PA-2640 Agent for the Applicant

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