B. Singh, B. K. Panigrahi, N. Kumar and I. Hussain, “Oscillation Free and Rapid Maximum Power Extraction from PV Panel using Voltage Sensorless Model Predictive Adaptive Control,” Indian Patent Application No.: 201811017012.
B. Singh, B. K. Panigrahi, N. Kumar and I. Hussain, “Fifth-Order Generalized Integrator with Reduced Sensor Topology for Robust Estimation of Fundamental Parameters from Grid Voltage and Control of 3-phase 2-stage Grid Integrated Solar PV Energy Conversion System,” Indian Patent Application No.: 201711037832.
S.K. Chattopadhyay and C. Chakraborty "Fault Tolerant Voltage Source Converter System with Open Loop Control of Wave-Shapers," Indian Patent Application No.: 201731018873, 29 May. 2017.
S.K. Chattopadhyay and C. Chakraborty "Hybrid asymmetrical multilevel inverter," Indian Patent Application No.: 201731046611, 26 Dec. 2017.
Rajesh V, S.K. Chattopadhyay and C. Chakraborty "A single dc source driven asymmetric multilevel inverter," Indian Patent Application No.: 201831003729, 31 Jan. 2018.