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For the Inventor, By the Inventor

San Mateo, CA, United States of America

Andrew Chou

USPTO Granted Patents = 19

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 180(Granted Patents)


Location History:

  • Daly City, CA (US) (2003)
  • San Mateo, CA (US) (2003 - 2010)
  • South San Francisco, CA (US) (2006 - 2010)
  • Santa Clara, CA (US) (2010 - 2012)

Company Filing History:

goldMedal14 out of 244 
 
Sirf Technology, Inc.
 patents
silverMedal5 out of 5 
 
Enuvis, Inc.
 patents

Years Active: 2003-2012

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19 patents (USPTO):Explore Patents
1. 8098765 - Reducing and sharing computations for GPS signal processing (2012-01-17),
2. 7800535 - Multi-function device with positioning system and shared processor (2010-09-21),
3. 7680223 - Reducing memory usage in noncoherent signal processing (2010-03-16),
4. 7680178 - Cross-correlation detection and elimination in a receiver (2010-03-16),
5. 7418066 - Multi-function device with positioning system and shared processor (2008-08-26),
6. 7408505 - Multi-function device with positioning system and shared processor (2008-08-05),
7. 7313207 - Reducing memory usage in noncoherent signal processing (2007-12-25),
8. 7212156 - Multi-function device with positioning system and shared processor (2007-05-01),
9. 7132980 - Multi-function device with positioning system and shared processor (2006-11-07),
10. 7069019 - System and method to estimate the location of a receiver (2006-06-27),
11. 7027534 - Extracting fine-tuned estimates from correlation functions evaluated at a limited number of values (2006-04-11),
12. 7002514 - Using multiple detection algorithms in positioning signal processing (2006-02-21),
13. 6933886 - Signal acquisition using data bit information (2005-08-23),
14. 6836241 - Method for optimal search scheduling in satellite acquisition (2004-12-28),
15. 6542116 - Determining the spatio-temporal and kinematic parameters of a signal receiver and its clock by information fusion (2003-04-01),

Title: The Innovative Contributions of Andrew Chou in GPS Technology

Introduction

Andrew Chou, based in San Mateo, CA, is a prolific inventor known for his significant contributions to GPS technology, holding a total of 19 patents to his name. His innovative spirit and technical expertise have led to advancements that enhance GPS signal processing and positioning functions in various devices.

Latest Patents

Among his latest patents, two noteworthy inventions stand out. The first is a method for reducing and sharing computations for GPS signal processing. It involves transforming a time domain GPS signal into a frequency domain signal, utilizing techniques such as downsampling and correlation with a pseudorandom noise (PRN) signal. This method effectively enhances the processing efficiency of GPS signals.

The second patent is for a multi-function device that incorporates a positioning system and a shared processor. This device features a real-time positioning engine that carries out intensive calculations, such as Doppler mixing and correlation, while significantly reducing memory requirements when aiding data is available. This innovation allows for more efficient use of resources in mobile devices that require location tracking.

Career Highlights

Andrew's career includes key roles at several prominent companies, where he made impactful contributions. He has worked with Sirf Technology, Inc., and Enuvis, Inc., both of which are known for their work in GPS technology and mobile communications. His expertise in these areas has allowed him to push the boundaries of what's possible in signal processing.

Collaborations

Throughout his career, Andrew has collaborated with notable individuals in the field, including coworkers Benjamin Van Roy and Anant Sahai. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas, contributing to advancements in technology.

Conclusion

Andrew Chou's innovative work in GPS technology and signal processing has resulted in numerous patents that showcase his technical prowess and creativity. His contributions continue to play a crucial role in improving the functionality and efficiency of GPS devices, paving the way for further advancements in navigation technology.

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