Growing community of inventors

Berkeley, CA, United States of America

David Sandford

Average Co-Inventor Count = 5.46

ph-index = 3

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.

Forward Citations = 26

David SandfordJames M Barton (8 patents)David SandfordMargret B Schmidt (8 patents)David SandfordPaul Stevens (8 patents)David SandfordRobin Hayes (8 patents)David SandfordBruce Klein (4 patents)David SandfordDavid Sandford (8 patents)James M BartonJames M Barton (183 patents)Margret B SchmidtMargret B Schmidt (60 patents)Paul StevensPaul Stevens (42 patents)Robin HayesRobin Hayes (20 patents)Bruce KleinBruce Klein (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Tivo Corporation (6 from 340 patents)

2. Tivo Solutions Inc. (2 from 156 patents)


8 patents:

1. 12096080 - Method and apparatus for menu placement on a media playback device

2. 10992990 - Method and apparatus for menu placement on a media playback device

3. 9363564 - Method and apparatus for advertisement placement in a user dialog on a set-top box

4. 9332314 - Method and apparatus for automated bidding and advertisement placement on a set-top box

5. 9326031 - Method and apparatus for advertisement placement in a user dialog on a set-top box

6. 9088826 - Method and apparatus for advertisement placement in a user dialog on a set-top box

7. 9036981 - Method and apparatus for advertisement placement in a user dialog on a set-top box

8. 8261300 - Method and apparatus for advertisement placement in a user dialog on a set-top box

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as of
12/19/2025
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