Patent

16. Dr. Kamalesh Hatua, Vibhav Pandey, Sougata Nayak, "PCB-incorporated based low cost differential mode filter design for EMI/EMC of power electronic converter," IN 549282, Grant Date: Aug 30, 2024. Download 

15. Kamalesh Hatua, Aloka Mohapatra, Shekhar Bhawal, "Hybrid power filtering unit incorporating low power, fast switching converter in conjunction with high power, slow switching converter," IN 504454, Grant Date: Jan 29, 2024. Download

14. Kamalesh Hatua, Jose Titus, "A system and a method for operating an induction machine with full rated torque," IN 500955, Grant Date: Jan 18, 2024. Download

13. Kamalesh Hatua, Varnshi Krishna Miryala, Parthasarathy Nayak, "Closed loop active gate driver unit using high band width controlled current source with dynamic gate voltage clamping, " IN 499369, Grant Date: Jan 15, 2024. Download

12. Kamalesh Hatua, Jose Titus, Harikrishnan Pookulangara, "A method for operating an induction machine with reduced torque ripple for medium voltage applications," IN 498787, Grant Date: Jan 12, 2024. Download

11. Dr. Kamalesh Hatua, Sandeep V Nair, "A system and a method for extending constant-power speed range of a 3 - phase electrical machine," IN 498908, Grant Date: Jan 12, 2024. Download

10. Kamalesh Hatua, Vamshi Krishna Miryala, "A circuit for controlling voltage stress in a power converter circuit and a method thereof," IN 486370, Grant Date: Dec 20, 2023. Download

9. Dr. Kamalesh Hatua, Jose Titus, "Split-phase and tapped stator winding induction machines for LCI- and VSI-fed hybrid drive applications," IN 493781, Grant Date: Nov 7, 2023. Download

8. Kamalesh Hatua, Shivam Chakraborty, Jitendra Veer Singh, "Structure and winding patterns for 3-phase induction motor with outer-rotor for low-power applications," IN 423438, Published Date: 28 Feb, 2023.

7. Dr. Kamalesh Hatua, Yash Sukhatme, "An Active Gate Driver for Silicon Carbide MOSFET with line current sensing," WIPO no., WO/2018/225083  , Publication Date: Dec 13, 2018. Download

6. Kamalesh Hatua, Parthasarathy Nayak, Vamshi Krishna Miryala, "CPLD based active gate driver for hard switched and soft switched SIC MOSFET," IN 6315/CHE/2015, Published Date: July 28, 2017.

5. De Sukumar, Hatua Kamalesh, R. Milan M R, “Common mode filter for motor controllers,” USPTO, no. 8,115,444, Issue Date: Feb 14, 2012. Download

4. V.T.Ranganathan, Kamalesh Hatua, “Induction Motor,”  USPTO no., 8,169,181, Issue Date: May 1, 2012. Download

3. V.T.Ranganathan, Kamalesh Hatua, “Improved Induction Motor,” WIPO no., 2011024095A1,   Publication Date: March 3, 2011. Download

2. V.T.Ranganathan, Kamalesh Hatua, “Improved Induction Motor,” Applied for INDIAN PATENT, no. 2068/CHE/2009, Publication Date: March 4, 2011.

1. De Sukumar, Hatua Kamalesh, R. Milan M R, “Short circuit protection by gate voltage sensing,” USPTO, no. 7,463,079, Issue Date: Dec 9, 2008. Download

11. "An LCDD snubber circuit for high-frequency DM noise mitigation and overshoot voltage suppression of VSI," Application No. 202441103224, Date of Filing: Dec 26,2024.

10. "An apparatus and method for improving current profile of medium voltage grid connected converter," Application No. 202441043307, Date of Filing: June 4,2024.

9. "Multi-speed transmission system and method for electric vehicle," Application No. 202441037588, Date of Filing: May 13, 2024.

8. "Mitigation of Conducted EMI of DC-DC Converter with an Inductor-Diode Based Circuit," Application No. 202441025438, Date of Filing: 28 March, 2023.

7. "Multipole Permanent Magnet Assisted Synchronous Reluctance Machine for electric vehicle application," Application No. 202441019927, Date of Filing: March 18, 2024.

6. "A System and Method to Minimize Harmonics and Torque Ripple in Motor Drives," Application No. 202341069134, Date of Filing: Oct 13, 2023.

5. "A Multi-Winding Transformer," Application No. 202341024701, Date of Filing: March 31, 2023.

4. "Active control of voltage imbalance in series connected switching devices and body diodes," Application No. 202241051627, Date of Filing: Sept 9, 2022.

3. "System and method for controlling voltage across switching devices present in circuit," Application No. 202041031481, Date of Filing: July 23, 2020.

2. "A control technique to eliminate the effect of frequency dithering in dual active bridge resonant converters"

1. "A Solid-State Transformer unit integrating Fast Switching, Low Power Converter and Slow Switching, High Power Converter"