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For the Inventor, By the Inventor

Santa Clara, CA, United States of America

Macrovision Corporation


USPTO Granted Patents = 135



Trademarks = 11

Forward Citations = 3,572

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67 inventors (with patents filed for the assignee):

goldMedal Ronald Quan (50 out of 121 patents)

silverMedal John O Ryan (42 out of 76 patents)

bronzeMedal James R Holzgrafe (11 out of 17 patents)

4.  Peter J Wonfor (10 out of 15 patents)

5.  Mark A Hollar (7 out of 9 patents)

6.  François-Xavier Nuttall (7 out of 8 patents)

7.  Daniel Putterman (6 out of 34 patents)

8.  Brad Dietrich (6 out of 27 patents)

9.  Pedro Freitas (6 out of 9 patents)

10.  Jeremy Toeman (5 out of 9 patents)

11.  Gregory C Copeland (5 out of 12 patents)

12.  Richard A A Heylen (5 out of 11 patents)

13.  Kordian Jacek Kurowski (5 out of 7 patents)

14.  William J Wrobleski (5 out of 5 patents)

15.  Paul Novaes (4 out of 7 patents)


Core Competencies:
Copy Protection
Digital Rights Management
Peer To Peer Networking
Optical Disc Authentication
Watermarking Techniques
Networked Personal Video Recording
Secure Content Delivery
Digital Audio Protection
Video Signal Processing
Software Distribution Security
Data Access Control
High Definition TV Signal Scrambling

135 patents:

1. 8254756 - Method and apparatus for reducing and restoring the effectiveness of a commercial skip system (2012-08-28),
2. 7877457 - Peer to peer gateway (2011-01-25),
3. 7721338 - Defeat of the copy protection of optical discs (2010-05-18),
4. 7716744 - Apparatus and method for monitoring and controlling access to data on a computer readable medium (2010-05-11),
5. 7716138 - Method for discouraging the distribution of illegal copies of computer programs over file sharing networks (2010-05-11),
6. 7715934 - Identification of input files using reference files associated with nodes of a sparse binary tree (2010-05-11),
7. 7706661 - Copy protection of optical discs using redundant control data (2010-04-27),
8. 7706533 - Copy protection for video signal using narrowed horizontal synchronization signals (2010-04-27),
9. 7702591 - System and methods providing secure delivery of licenses and content (2010-04-20),
10. 7701825 - Apparatus for and a method of authenticating recording media (2010-04-20),
11. 7685641 - Copy-protected digital audio compact disc, and method and system for producing same (2010-03-23),
12. 7664369 - Method and apparatus for improving the playability of a PAL or NTSC video signal containing color burst modifications (2010-02-16),
13. 7650504 - System and method of verifying the authenticity of dynamically connectable executable images (2010-01-19),
14. 7650418 - System and method for controlling the usage of digital objects (2010-01-19),
15. 7624282 - Method and apparatus for DVD copy protection with selective data pattern insertion (2009-11-24),
Macrovision Corporation is a leading technology company that provides digital rights management and copy protection solutions. With an extensive portfolio of products and services, Macrovision helps businesses protect their intellectual property and ensure secure distribution of content. Their innovative solutions cater to various industries such as entertainment, software, and electronic devices. Visit their website to learn more about how Macrovision can safeguard your digital assets.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

135 Patents

#40 in Santa Clara, CA

#640 in California

#2,768 in US

#5,816 in the World

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Santa Clara, CA, United States of America

Macrovision Corporation

Forward Citations = 3,572

67 inventors:

goldMedal Ronald Quan (50 out of 121 patents)

silverMedal John O Ryan (42 out of 76 patents)

bronzeMedal James R Holzgrafe (11 out of 17 patents)

4.  Peter J Wonfor (10 out of 15 patents)

5.  Mark A Hollar (7 out of 9 patents)

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