1.  Subramanyan Namboodiri Varanakkottu, Lekshmi B S, “Method for Simultaneous Fabrication and Collection of Ultra-Low Volume Janus Liquid Marbles and Pristine Liquid Marbles”; Patent Number: 554112, 2024.

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2. Subramanyan Namboodiri Varanakkottu, Ragisha CM, Farzeena C, “System for inscribing patterns on metallic nanoparticles layer at Liquid-Liquid Interface and method thereof”; Patent Number: 436763, 2022.

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3.  Subramanyan Namboodiri Varanakkottu, Suryasaradhi Balarkan, “An Integrated Beam Chopping and Steering System Using a Linear Optical Chopper and Method Thereof”; Patent Number: 452990, 2022.