This inventor holds 44 USPTO granted patents and 2 published patent applications and 4 EPO patents, primarily in Global Navigation Systems. Top assignees: Sirf Technology, Inc., Csr Technology Inc., Qualcomm Incorporated. Active years: 2001-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Santa Clara, CA (US) (2001 - 2010)
- Sunnyvale, CA (US) (2002 - 2012)
- Fremont, CA (US) (2015 - 2018)
- Irvine, CA (US) (2009 - 2023)
Company Filing History:
21 out of 244 
9 out of 196 
8 out of 44,897 
Years Active: 2001-2025
Areas of Expertise:
Title: Innovations of Mangesh M Chansarkar in Global Navigation Satellite Systems
Introduction
Mangesh M Chansarkar, located in Sunnyvale, CA, is a prolific inventor with an impressive portfolio of 44 patents. His work primarily focuses on advancements in Global Navigation Satellite Systems (GNSS), significantly enhancing the security and efficiency of mobile devices' positioning abilities.
Latest Patents
One of Chansarkar's latest patents involves securing Global Navigation Satellite Systems. This patent discloses an apparatus and method where a mobile device is equipped with a communication interface that monitors signals from multiple satellites. The device's processor can determine impairments of one or more satellites using these signals, with a memory component that stores the status of these impairments. Furthermore, the communication interface is responsible for transmitting this status to a server. The processor also calculates the mobile device's position based on the status of satellite impairments, storing the determined position along with a digital certificate that indicates the authenticity of this position.
Another notable patent is related to Ultra Wide-Lane (UWL) Real-Time Kinematic (RTK) positioning. This technique involves obtaining carrier-phase measurements from multiple GNSS signals across different frequencies using a multi-band GNSS receiver. The position estimate of the mobile device is determined from a wide-lane combination of these measurements, effectively reducing the combined carrier phase noise, thus enhancing positioning accuracy.
Career Highlights
Chansarkar has made significant contributions during his tenure at esteemed companies such as SiRF Technology, Inc. and CSR Technology Inc. His expertise in GNSS technology has led to innovative solutions that push the boundaries of satellite navigation systems.
Collaborations
In his journey as an inventor, Chansarkar has collaborated with notable individuals such as Sanjai Kohli and Charles Robert Cahn. These collaborations have undoubtedly enriched his work, leading to the development of pioneering technologies in the field.
Conclusion
Mangesh M Chansarkar stands out as a leading inventor in the realm of Global Navigation Satellite Systems. With his numerous patents and collaborations, he continues to shape the future of mobile device positioning and security, solidifying his place in the world of technological innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile