Inventors with similar research interests:
Location History:
- San Jose, CA (US) (2003 - 2007)
- Sunnyvale, CA (US) (2005 - 2015)
- Cupertino, CA (US) (2018)
- Saratoga, CA (US) (2013 - 2023)
Company Filing History:
52 out of 11,124 
15 out of 40,816 
1 out of 54,664 
Years Active: 2003-2024
Title: Innovations and Contributions of Sumant Ranganathan
Introduction: Sumant Ranganathan, based in Sunnyvale, California, is a notable inventor renowned for his impressive portfolio of 68 patents. His innovations are primarily focused on advancements in wireless power transfer technology, showcasing his expertise and commitment to driving forward the field of electrical engineering.
Latest Patents: One of Ranganathan's latest patents, titled "Frequency Management for Wireless Power Transfer," addresses the functionality of a wireless power transmitter. This innovation comprises a coil and an inverter that are paired with advanced control circuitry. Upon receiving a burst request pulse from a wireless power receiver, the system activates inverter operation, enabling the coil to power the receiver. The control circuitry is capable of regulating inverter switches to ensure that the bandwidth of the wireless power transfer signal remains within a specified range. This is achieved by extending a minimum on-time of the switches, modifying pulse width modulation (PWM) drive signals to shape a coil current burst envelope, and adjusting the PWM signal amplitude. Ranganathan's innovative approach includes using symmetrical and complementary PWM schemes to enhance the efficiency and effectiveness of wireless power transmission.
Career Highlights: Throughout his career, Sumant Ranganathan has contributed significantly to the tech industry, working with leading companies such as Broadcom Corporation and Apple Inc. His experience in these prestigious organizations underscores his role as a pivotal figure in the evolution of technology.
Collaborations: Ranganathan has collaborated with esteemed colleagues, including Pieter Vorenkamp and Tom W. Kwan. These partnerships have fostered a creative environment that has led to the development of cutting-edge innovations in wireless power technologies.
Conclusion: Sumant Ranganathan's extensive patent portfolio and collaborative efforts illustrate his dedication to innovation in wireless power systems. With a proven record at major technology companies and a focus on enhancing the efficiency of power transfer, Ranganathan continues to influence the landscape of electrical engineering and energy transfer solutions.
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