Average Co-Inventor Count = 2.43
ph-index = 36
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. Gemstar Developement Corporation (26 from 70 patents)
2. Index Systems, Inc. (24 from 59 patents)
3. Other (8 from 832,966 patents)
4. E Guide, Inc. (3 from 17 patents)
5. United Video Properties, Inc. (1 from 320 patents)
6. Yuen, Henry C. (0 patent)
7. Kwoh, Daniel S. (0 patent)
8. Henry C. Yuen (0 patent)
9. Daniel S. Kwoh (0 patent)
62 patents:
1. 9055341 - Combination of recorded program index and EPG
2. 8914828 - System and method for grazing television channels from an electronic program guide
3. 8631434 - Method and apparatus for transmitting and downloading setup information
4. 8296807 - Method and apparatus for transmitting and downloading setup information
5. 8272011 - Method and system for displaying advertisements between schedule listings
6. 8233773 - Apparatus and method using compressed codes for scheduling broadcast information recording
7. 8134645 - Combination of recorded program index and EPG
8. 8122471 - Method and apparatus for transmitting and downloading setup information
9. 7996864 - Method and apparatus for displaying television programs and related text
10. RE41993 - Apparatus and method for improved parental control of television use
11. 7663700 - Combination of recorded program index and EPG
12. 7594243 - System and method for grazing television channels from an electronic program guide
13. 7499628 - Enhancing operations of video tape cassette players
14. 7239798 - Apparatus and method using compressed codes for scheduling broadcast information recording
15. 6868226 - Apparatus and methods for voice titles