For the Inventor, By the Inventor

Enter assignee name

Redwood City, CA, United States of America

Rosum Corporation

USPTO Granted Patents = 25

% Expired Patents = 56.0

Forward Citations = 848

Loading Chart...

Loading Chart...

11 inventors (with patents filed for the assignee):

James J Spilker, Jr (21 out of 34 patents)

Matthew Rabinowitz (20 out of 136 patents)

Jimmy Kazuhiro Omura (7 out of 10 patents)

4. Guttorm Ringstad Opshaug (2 out of 160 patents)

5. Andy Lee (2 out of 6 patents)

6. Scott Furman (1 out of 41 patents)

7. Matthew Dalton Pierce (1 out of 8 patents)

8. Ju-Yong Do (1 out of 71 patents)

9. Jim Omura (1 out of 2 patents)

10. Matthew Robinowitz (1 out of 1 patent)

11. Michael John Sabin (1 out of 17 patents)

25 patents: Sort by Forward Citations

1. 7792156 - ATSC transmitter identifier signaling (2010-09-07),

2. 7737893 - Positioning in a single-frequency network (2010-06-15),

3. 7733270 - Position location using global positioning signals augmented by broadcast television signals (2010-06-08),

4. 7692587 - Rapid acquisition and correlation of synchronization codes for mobile devices with limited memory and computational power (2010-04-06),

5. 7471244 - Monitor units for television signals (2008-12-30),

6. 7466266 - Psuedo television transmitters for position location (2008-12-16),

7. 7463195 - Position location using global positioning signals augmented by broadcast television signals (2008-12-09),

8. 7372405 - Position location using digital video broadcast television signals (2008-05-13),

9. 7307665 - Method and system for generating reference signals with improved correlation characteristics for accurate time of arrival or position determination (2007-12-11),

10. 7126536 - Position location using terrestrial digital video broadcast television signals (2006-10-24),

11. 7042949 - Robust data transmission using broadcast digital television signals (2006-05-09),

12. 6970132 - Targeted data transmission and location services using digital television signaling (2005-11-29),

13. 6963306 - Position location and data transmission using pseudo digital television transmitters (2005-11-08),

14. 6961020 - Position location using broadcast analog television signals (2005-11-01),

15. 6917328 - Radio frequency device for receiving TV signals and GPS satellite signals and performing positioning (2005-07-12),

Rosum Corporation is a leading provider of advanced positioning technology solutions. Our innovative solutions utilize broadcast television signals to enhance and improve location accuracy for various applications. With a strong focus on research and development, we strive to deliver reliable and high-quality positioning solutions to our customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Rosum Corporation

25 Patents

#79 in Redwood City, CA

#3,144 in California

#13,321 in US

#25,618 in the World

Redwood City, CA, United States of America

Rosum Corporation

Forward Citations = 848

11 inventors:

James J Spilker, Jr (21 out of 34 patents)

Matthew Rabinowitz (20 out of 136 patents)

Jimmy Kazuhiro Omura (7 out of 10 patents)

4. Guttorm Ringstad Opshaug (2 out of 160 patents)

5. Andy Lee (2 out of 6 patents)

Please report any incorrect information to [email protected]

Loading…