This inventor holds 37 USPTO granted patents and 5 published patent applications and 2 EPO patents, primarily in Phase Locked Loops. Top assignees: Stmicroelectronics International N.v., Stmicroelectronics Pvt. Ltd., STMicroelectronics. Active years: 2007-2025.
Location History:
- Calcutta, IN (2007 - 2008)
- West Bengal, IN (2007 - 2011)
- Uttar Pradesh, IN (2012)
- Noida, IN (2009 - 2016)
- Gananagar, IN (2015 - 2018)
- Kolkata, IN (2010 - 2024)
Company Filing History:
24 out of 1,239 
13 out of 207 
2 out of 2,426 
Years Active: 2007-2025
Areas of Expertise:
Title: Kallol Chatterjee: Innovator in Crystal Oscillator and Thermal Sensor Technologies
Introduction
Kallol Chatterjee is a distinguished inventor based in Kolkata, India, recognized for his substantial contributions to the fields of electronic engineering and thermal sensing. With a remarkable portfolio of 37 patents, he has consistently demonstrated his innovative spirit and technical expertise.
Latest Patents
Kallol's recent work includes two notable patents that underscore his inventive prowess. The first is a **Low Power Crystal Oscillator with Automatic Amplitude Control**, which delineates a circuit designed to efficiently manage power consumption while maintaining optimal crystal oscillation. This innovation features a dual-power configuration, where the high power part initiates oscillation, and a current-limiting mechanism regulates power usage, enhancing the sustainability of the oscillator.
The second patent is a **Method for Implementing Vptat Multiplier in High Accuracy Thermal Sensor**. This method effectively determines the temperature of a chip utilizing bipolar-junction transistors. By generating and integrating voltages based on a bitstream input, this technique accurately produces a voltage representative of the chip's temperature, ensuring high precision in thermal measurement applications.
Career Highlights
Kallol Chatterjee has built an impressive career, having worked at prominent firms such as STMicroelectronics International N.V. and STMicroelectronics Pvt. Ltd. His tenure at these companies has been marked by significant contributions to the development of cutting-edge electronic products and technologies.
Collaborations
Throughout his career, Kallol has collaborated with esteemed colleagues, including Chittoor Parthasarathy and Nitin Chawla. These partnerships have enriched his work environment, promoting the synergistic exchange of ideas and fostering innovation in their respective projects.
Conclusion
Kallol Chatterjee stands out as a significant figure in the field of electronic innovation, with his patents paving the way for advancements in low-power technologies and precise thermal sensing. His ongoing contributions continue to influence the realm of electronics, showcasing his dedication to refining and enhancing technological applications.