For the Inventor, By the Inventor

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San Jose, CA, United States of America

Sirf Technology, Inc.

USPTO Granted Patents = 244

% Expired Patents = 39.8

EPO Patents = 11

Trademarks = 2

Forward Citations = 7,052

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131 inventors (with patents filed for the assignee):

Lionel Jacques Garin (31 out of 115 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 27 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 128 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:

GPS Receiver

Signal Processing

Location Services

Power Management

Satellite Positioning

Wireless Communication

Noise Reduction

Error Detection

Data Demodulation

Dynamic Memory Allocation

Ephemeris Coding

Multi-Function Device

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),

Company Overview

Sirf Technology, Inc., based in San Jose, CA, specializes in advanced GPS navigation systems, focusing on enhancing location accuracy and reliability. The company develops cutting-edge technologies in GPS receivers, signal processing, and satellite positioning, catering to various applications in automotive and consumer electronics. Sirf's innovations in power management, wireless communication, noise reduction, and error detection contribute significantly to the efficiency and performance of location-based services, positioning the company as a leader in the GPS technology sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

244 Patents

#55 in San Jose, CA

#374 in California

#1,747 in US

#3,555 in the World

San Jose, CA, United States of America

Sirf Technology, Inc.

Forward Citations = 7,052

131 inventors:

Lionel Jacques Garin (31 out of 115 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sirf Technology, Inc.. Retrieved from https://idiyas.com/company/sirf-technology

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

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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