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For the Inventor, By the Inventor

Torrance, CA, United States of America

Sibaprasad Chakrabarti

This inventor holds 17 USPTO granted patents. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 2009-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sibaprasad Chakrabarti. Retrieved from https://idiyas.com/inventor/sibaprasad-chakrabarti

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 17

% Patents Active = 52.9

Average Co-Inventor Count = 3.9

ph-index = 8

Forward Citations = 212(Granted Patents)


Location History:

  • Torrrance, CA (US) (2010)
  • Torrance, CA (US) (2009 - 2012)
  • West Midnapur, IN (2012 - 2013)

Company Filing History:

goldMedal17 out of 31,934 
 
Gm Global Technolgoy Operations, Inc.
 patents

Years Active: 2009-2013

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17 patents (USPTO):Explore Patents
1. 8390228 - Methods and systems for induction machine control (2013-03-05),
2. 8174224 - Torque production in an electric motor in response to current sensor error (2012-05-08),
3. 8138704 - Methods and systems for detecting current sensor error (2012-03-20),
4. 8122985 - Double-ended inverter drive system for a fuel cell vehicle and related operating method (2012-02-28),
5. 8120306 - Voltage source inverter with a voltage offset (2012-02-21),
6. 8102142 - Double ended inverter system for a vehicle having two energy sources that exhibit different operating characteristics (2012-01-24),
7. 8058830 - Charging energy sources with a rectifier using double-ended inverter system (2011-11-15),
8. 8054032 - Discontinuous pulse width modulation for double-ended inverter system (2011-11-08),
9. 8026691 - Double ended inverter system with a cross-linked ultracapacitor network (2011-09-27),
10. 8002056 - Double-ended inverter system with isolated neutral topology (2011-08-23),
11. 7990098 - Series-coupled two-motor drive using double-ended inverter system (2011-08-02),
12. 7956569 - Double ended inverter system with an impedance source inverter subsystem (2011-06-07),
13. 7956563 - System for using a multi-phase motor with a double-ended inverter system (2011-06-07),
14. 7847437 - Efficient operating point for double-ended inverter system (2010-12-07),
15. 7800331 - Method and system for operating an electric motor coupled to multiple power supplies (2010-09-21),

Title: **Sibaprasad Chakrabarti: Innovator in Induction Machine Control**

Introduction

Sibaprasad Chakrabarti, based in Torrance, CA, is an accomplished inventor with a robust portfolio of 17 patents to his name. His work focuses primarily on advancements in electrical engineering, particularly in the control of induction machines and electric motors.

Latest Patents

One of his latest patents involves methods and systems for induction machine control. This innovation encompasses a method for managing an induction machine's rotor by acquiring a torque command, calculating an estimated squared value of the rotor's resistance, determining an offset for this resistance, and generating an updated measure of rotor resistance. Another significant patent addresses torque production in electric motors, specifically in vehicles. It outlines methods for producing commanded torque by obtaining a torque command and the motor's speed, while operating the inverter based on a voltage command that ensures minimal current flows through the motor, enabling the desired torque at the motor's instantaneous speed.

Career Highlights

Sibaprasad Chakrabarti contributes his considerable expertise at GM Global Technology Operations LLC, where he plays a critical role in various innovative electrical engineering projects. His patents have not only advanced the field but also showcased his ability to solve complex engineering challenges.

Collaborations

In his professional journey, Chakrabarti collaborates with notable peers, including Gregory S. Smith and Brian A. Welchko. These collaborations enhance the creative process and contribute to the successful development of groundbreaking technologies.

Conclusion

Sibaprasad Chakrabarti exemplifies innovation in electrical engineering through his patented methods and systems. His contributions to the field of induction machine control and electric motors reflect a commitment to advancing technology for practical applications, solidifying his standing as a leading inventor in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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