For the Inventor, By the Inventor

Enter assignee name

Pasadena, CA, United States of America

Gemstar Developement Corporation

USPTO Granted Patents = 70

CIPO Patents = 7

EPO Patents = 3

Trademarks = 1

Forward Citations = 7,108

Loading Chart...

Loading Chart...

30 inventors (with patents filed for the assignee):

Henry C Yuen (45 out of 104 patents)

Daniel S Kwoh (26 out of 62 patents)

Roy J Mankovitz (16 out of 81 patents)

4. Douglas B Macrae (9 out of 28 patents)

5. Kenneth S Hancock (7 out of 18 patents)

6. Thomas E Ward (7 out of 8 patents)

7. Elsie Y Leung (5 out of 28 patents)

8. Thomas E Westberg (2 out of 27 patents)

9. Wing P Leung (2 out of 17 patents)

10. Kwong Sang Sin (2 out of 2 patents)

11. Philip W Chan (2 out of 2 patents)

12. Michael R Levine (2 out of 60 patents)

13. Scott E Stropkay (1 out of 64 patents)

14. Jonathan B Orlick (1 out of 8 patents)

15. Ronald Alexander (1 out of 5 patents)

70 patents: Sort by Forward Citations

1. 8918807 - System and method for modifying advertisement responsive to EPG information (2014-12-23),

2. 8761584 - System and method for searching a database of television schedule information (2014-06-24),

3. 8739216 - Simulated PIP window in EPG (2014-05-27),

4. 8732757 - System and method for targeted advertisement display responsive to user characteristics (2014-05-20),

5. 8726311 - System and method for modifying advertisement responsive to EPG information (2014-05-13),

6. 8635649 - System and method for modifying advertisement responsive to EPG information (2014-01-21),

7. 8635642 - Apparatus and method for parental control using V-Chip plus+ and master password (2014-01-21),

8. 8448209 - System and method for displaying advertisements responsive to EPG information (2013-05-21),

9. 8341137 - Search engine for video and graphics (2012-12-25),

10. 8341136 - Search engine for video and graphics (2012-12-25),

11. 8336071 - System and method for modifying advertisement responsive to EPG information (2012-12-18),

12. 8196167 - Simulated PIP window in EPG (2012-06-05),

13. 8006260 - Apparatus and method for parental control using V-chip plus+ and master password (2011-08-23),

14. 7996864 - Method and apparatus for displaying television programs and related text (2011-08-09),

15. 7987175 - Search engine for video and graphics (2011-07-26),

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

70 Patents

#5 in Pasadena, CA

#1,190 in California

#5,010 in US

#10,194 in the World

Pasadena, CA, United States of America

Gemstar Developement Corporation

Forward Citations = 7,108

30 inventors:

Henry C Yuen (45 out of 104 patents)

Daniel S Kwoh (26 out of 62 patents)

Roy J Mankovitz (16 out of 81 patents)

4. Douglas B Macrae (9 out of 28 patents)

5. Kenneth S Hancock (7 out of 18 patents)

Please report any incorrect information to support@idiyas.com

Loading…