For the Inventor, By the Inventor

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San Diego, CA, United States of America

Spreadtrum Communications USA Inc.

USPTO Granted Patents = 17

Forward Citations = 67

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8 inventors (with patents filed for the assignee):

David Ryan Haub (15 out of 30 patents)

Zhigang Xu (8 out of 9 patents)

Jarrett Malone (8 out of 8 patents)

4. Lon Christensen (4 out of 9 patents)

5. Zebin Wang (3 out of 3 patents)

6. Hong Jiang (1 out of 37 patents)

7. Aram Akhavan (1 out of 1 patent)

8. Daniel Ralston (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 12732408 - Signal transmission with improved counter intermodulation performance (2026-09-08),

2. 10476612 - Transceiver system supporting receiver self calibration and methods of performing the same (2019-11-12),

3. 10411649 - Low-power crystal oscillator operating in class B with positive feedback and a step-down voltage regulator (2019-09-10),

4. 10103825 - Transceiver system supporting receiver self calibration and methods of performing the same (2018-10-16),

5. 9736790 - Transceiver system supporting transmitter self calibration and methods of performing the same (2017-08-15),

6. 9667283 - Method and apparatus for transmitter optimization based on allocated transmission band (2017-05-30),

7. 9496905 - Detection and mitigation of interference in a receiver (2016-11-15),

8. 9379747 - Detection and mitigation of interference based on interference location (2016-06-28),

9. 9326288 - Method and apparatus for transmitter optimization based on allocated transmission band (2016-04-26),

10. 9191255 - Method and apparatus for compensating for frequency errors between base station and mobile station (2015-11-17),

11. 9143246 - Detection and mitigation of interference in a receiver (2015-09-22),

12. 9112569 - Detection and mitigation of interference based on interference location (2015-08-18),

13. 9031567 - Method and apparatus for transmitter optimization based on allocated transmission band (2015-05-12),

14. 8886149 - Detection and mitigation of interference in a multimode receiver using variable bandwidth filter (2014-11-11),

15. 8787507 - Detection and mitigation of interference in a receiver (2014-07-22),

Spreadtrum Communications USA Inc. is a technology company based in San Diego, California, specializing in the development of semiconductor solutions for mobile communications. The organization focuses on designing and manufacturing advanced chipsets that enable efficient connectivity and multimedia processing in mobile devices. With a strong emphasis on innovation, Spreadtrum plays a significant role in the global telecommunications landscape, contributing to the evolution of mobile technology and enhancing user experiences across various platforms.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#339 in San Diego, CA

#4,509 in California

#18,881 in US

#35,887 in the World

San Diego, CA, United States of America

Spreadtrum Communications USA Inc.

Forward Citations = 67

8 inventors:

David Ryan Haub (15 out of 30 patents)

Zhigang Xu (8 out of 9 patents)

Jarrett Malone (8 out of 8 patents)

4. Lon Christensen (4 out of 9 patents)

5. Zebin Wang (3 out of 3 patents)

Please report any incorrect information to [email protected]

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