Average Co-Inventor Count = 4.26
ph-index = 17
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Index Systems, Inc. (13 from 58 patents)
2. Gemstar Developement Corporation (5 from 70 patents)
3. E Guide, Inc. (4 from 17 patents)
4. Other (3 from 832,680 patents)
5. Rovi Guides, Inc. (2 from 2,118 patents)
6. Index System, Inc. (1 from 1 patent)
28 patents:
1. 9191722 - System and method for modifying advertisement responsive to EPG information
2. 9055341 - Combination of recorded program index and EPG
3. 9015749 - System and method for modifying advertisement responsive to EPG information
4. 8918807 - System and method for modifying advertisement responsive to EPG information
5. 8914828 - System and method for grazing television channels from an electronic program guide
6. 8272011 - Method and system for displaying advertisements between schedule listings
7. 8134645 - Combination of recorded program index and EPG
8. 7996864 - Method and apparatus for displaying television programs and related text
9. 7663700 - Combination of recorded program index and EPG
10. 7594243 - System and method for grazing television channels from an electronic program guide
11. 7499628 - Enhancing operations of video tape cassette players
12. 6721015 - Sound bite augmentation
13. 6701060 - Enhancing operations of video tape cassette players
14. 6687906 - EPG with advertising inserts
15. 6606747 - System and method for grazing television channels from an electronic program guide