MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641076054 A) filed by Ram Sandeep Duvvada on June 19, 2026, for Wearable Patch Antenna For Microwave - Based Cancer Detection.

Inventors include D. Ram Sandeep; Ronanki Sowjanya Priya; Narayanasetty Dedeepya; Mohammad Vaseem Ahmed; Rejeti Sudheer; and Vepati Sindhu.

The application for the patent was published on June 26, 2026, under issue no. 26/2026.

Abstract: This work presents the design and optimization of a compact wearable patch antenna for microwave-based cancer detection and monitoring applications, aimed at enabling non-invasive and early-stage diagnosis in modern healthcare systems. The proposed antenna is fabricated on a miniaturized substrate with dimensions of 8 mm × 8 mm × 0.5 mm, ensuring a lightweight, low-profile, and flexible structure suitable for seamless integration into wearable medical devices. The antenna operates at multiple frequency bands, namely 4.2 GHz, 4.8 GHz, and 6.1 GHz, which are selected to enhance electromagnetic interaction with biological tissues and effectively exploit the dielectric contrast between normal and malignant cells. The antenna structure is optimized to achieve improved impedance matching, adequate bandwidth, stable radiation characteristics, and enhanced gain, thereby improving detection sensitivity and imaging resolution in microwave diagnostic systems. Performance evaluation is conducted using realistic biological tissue models that replicate human tissue properties, enabling accurate analysis under practical conditions. Key performance parameters, including return loss, gain, bandwidth, and radiation efficiency, are analyzed to ensure reliable and efficient operation. The results demonstrate that the proposed antenna provides effective signal penetration and accurate response for detecting tissue abnormalities. Overall, the presented design offers a compact, efficient, and reliable solution for real-time, continuous, and non-invasive cancer detection, contributing to advancements in microwave-based diagnostic technologies and next-generation healthcare systems

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