Company Filing History:

12 out of 988

Stmicroelectronics International N.v.

patents

1 out of 5,562

Stmicroelectronics S.r.l.

patents

where one patent can have more than one assignee

Years Active: 2013-2025

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12438470 - Peak efficiency tracking in an LLC converter of a multi-stage power conversion system (2025-10-07),

2. 11855527 - Three-phase power factor controller implemented with single-phase power factor correction controller (2023-12-26),

3. 11685280 - System and method for output bus switching to enhance efficiency in wide output LLC converter for EV charging (2023-06-27),

4. 10716186 - Driving circuit using buck converter capable of generating sufficient voltage to power a LED circuit and associated auxiliary circuitry in a normal mode of operation, and insufficient to power the LED circuit but sufficient to power the associated auxiliary circuitry in an off mode of operation (2020-07-14),

5. 10405384 - Driving circuit using buck converter capable of generating sufficient voltage to power a LED circuit and associated auxiliary circuitry in a normal mode of operation, and insufficient to power the LED circuit but sufficient to power the associated auxiliary circuitry in an off mode of operation (2019-09-03),

6. 9627967 - Power management system and method of use thereof (2017-04-18),

7. 9621031 - Bus voltage correction circuit (2017-04-11),

8. 9501980 - Display panel and display panel system (2016-11-22),

9. 9331474 - Over-voltage protection circuit for a drive transistor (2016-05-03),

10. 9083373 - Quadrature signal decoding using a driver (2015-07-14),

11. 8654895 - Frequency modulated signal decoding using a driver (2014-02-18),

12. 8619911 - Quadrature signal decoding using a driver (2013-12-31),

Title: Innovations of Ranajay Mallik

Introduction

Ranajay Mallik is a prominent inventor based in Ghaziabad, India. He has made significant contributions to the field of power conversion systems, holding a total of 12 patents. His work focuses on enhancing the efficiency and functionality of electrical systems.

Latest Patents

One of his latest patents is titled "Peak efficiency tracking in an LLC converter of a multi-stage power conversion system." This invention involves an LLC resonant converter that includes a switching bridge with multiple power switches. The converter is designed to receive a DC voltage input and generate a square waveform based on a pulse-modulated frequency signal. The resonant tank circuit, which includes a resonant inductor, is excited by the square waveform, allowing for precise control of the power conversion process.

Another notable patent is the "Three-phase power factor controller implemented with single-phase power factor correction controller." This invention features a PFC correction circuit with three-phase inputs connected to a full-wave rectifying bridge. It includes boost inductors and a boost switch that operates based on a PWM signal generated from a single-phase input signal. This innovation aims to improve the efficiency of power factor correction in electrical systems.

Career Highlights

Ranajay Mallik has worked with notable companies such as STMicroelectronics International N.V. and STMicroelectronics S.R.L. His experience in these organizations has contributed to his expertise in power electronics and system design.

Collaborations

Throughout his career, he has collaborated with talented individuals, including Akshat Jain and Jitendra Jain. These collaborations have fostered innovation and the development of advanced technologies in the field.

Conclusion

Ranajay Mallik's contributions to power conversion technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in electrical systems and efficiency.

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