For the Inventor, By the Inventor

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San Jose, CA, United States of America

Sirf Technology, Inc.

USPTO Granted Patents = 244

EPO Patents = 11

Trademarks = 2

Forward Citations = 7,002

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131 inventors (with patents filed for the assignee):

Lionel Jacques Garin (31 out of 114 patents)

Ashutosh Pande (29 out of 38 patents)

Charles P Norman (27 out of 41 patents)

4. Sanjai Kohli (26 out of 60 patents)

5. Steven A Gronemeyer (23 out of 45 patents)

6. Gregory Turetzky (21 out of 25 patents)

7. Mangesh M Chansarkar (21 out of 44 patents)

8. Paul A Underbrink (19 out of 38 patents)

9. Keith J Brodie (19 out of 26 patents)

10. Henry D Falk (19 out of 28 patents)

11. Gengsheng Zhang (16 out of 124 patents)

12. Charles Robert Cahn (16 out of 29 patents)

13. Robert Tso (14 out of 19 patents)

14. Andrew Chou (14 out of 19 patents)

15. Steven Chen (14 out of 14 patents)

Core Competencies:

Assisted Navigation

GNSS Receivers

GPS Signal Processing

Location Based Services

Emergency Beacon

Satellite Positioning

Wireless Positioning

Doppler Spread Estimation

Multi-Path Signal Mitigation

Frequency Phase Correction

Ephemeris Coding

OFDM Modulation

244 patents: Sort by Forward Citations

1. 8260540 - Systems and methods of communication in an assisted navigation system (2012-09-04),

2. 8218766 - Systems and methods for facilitating transactions in accordance with a region requirement (2012-07-10),

3. 8151170 - System and method for enhanced data decode in a GPS receiver (2012-04-03),

4. 8134502 - Method and apparatus for reducing power consumption in GNSS receivers (2012-03-13),

5. 8111791 - Differential evolution design of polyphase IIR decimation filters (2012-02-07),

6. 8103289 - System of utilizing cell information to locate a wireless device (2012-01-24),

7. 8098765 - Reducing and sharing computations for GPS signal processing (2012-01-17),

8. 8078189 - System and method for providing location based services over a network (2011-12-13),

9. 8073414 - Auto-tuning system for an on-chip RF filter (2011-12-06),

10. 8072376 - Method and apparatus for mitigating the effects of cross correlation in a GPS receiver (2011-12-06),

11. 8069314 - Shared memory architecture in GPS signal processing (2011-11-29),

12. 8041330 - Wireless device capable of producing an emergency beacon (2011-10-18),

13. 8013787 - Control and features for satellite positioning system receivers (2011-09-06),

14. 8009090 - System and method for dynamic voltage scaling in a GPS receiver (2011-08-30),

15. 8000723 - System of utilizing cell information to locate a wireless device (2011-08-16),

Sirf Technology, Inc. is a leading provider of GPS navigation and wireless semiconductor solutions. With a focus on delivering innovative and high-performance technologies, Sirf has become a trusted name in location-based services, automotive navigation, and wireless communications. Their solutions enable accurate positioning, efficient navigation, and seamless connectivity. Visit their website to learn more about their products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

244 Patents

#56 in San Jose, CA

#375 in California

#1,667 in US

#3,432 in the World

San Jose, CA, United States of America

Sirf Technology, Inc.

Forward Citations = 7,002

131 inventors:

Lionel Jacques Garin (31 out of 114 patents)

Ashutosh Pande (29 out of 38 patents)

Charles P Norman (27 out of 41 patents)

4. Sanjai Kohli (26 out of 60 patents)

5. Steven A Gronemeyer (23 out of 45 patents)

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