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San Francisco, CA, United States of America

David Simpson

Average Co-Inventor Count = 5.43

ph-index = 2

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 = 56

David SimpsonHal R Schectman (2 patents)David SimpsonDavid Mark Ciemiewicz (2 patents)David SimpsonJackie Andrew Freeman (2 patents)David SimpsonApostolos Karmirantzos (2 patents)David SimpsonJames Michael Reinhold (2 patents)David SimpsonTony Sang-min Lee (2 patents)David SimpsonGregory M Makris (2 patents)David SimpsonFranco Salvetti (1 patent)David SimpsonDavid D Ahn (1 patent)David SimpsonKrishnan Thazhathekalam (1 patent)David SimpsonAndrea Ryerson Burbank (1 patent)David SimpsonPaul Vilevac (1 patent)David SimpsonChristopher Jon Jewell (1 patent)David SimpsonThomas Hakel (1 patent)David SimpsonChristopher Thun (1 patent)David SimpsonDavid Simpson (4 patents)Hal R SchectmanHal R Schectman (9 patents)David Mark CiemiewiczDavid Mark Ciemiewicz (6 patents)Jackie Andrew FreemanJackie Andrew Freeman (5 patents)Apostolos KarmirantzosApostolos Karmirantzos (5 patents)James Michael ReinholdJames Michael Reinhold (4 patents)Tony Sang-min LeeTony Sang-min Lee (4 patents)Gregory M MakrisGregory M Makris (2 patents)Franco SalvettiFranco Salvetti (16 patents)David D AhnDavid D Ahn (13 patents)Krishnan ThazhathekalamKrishnan Thazhathekalam (4 patents)Andrea Ryerson BurbankAndrea Ryerson Burbank (3 patents)Paul VilevacPaul Vilevac (2 patents)Christopher Jon JewellChristopher Jon Jewell (2 patents)Thomas HakelThomas Hakel (1 patent)Christopher ThunChristopher Thun (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Yahoo! Inc. (2 from 2,367 patents)

2. Microsoft Technology Licensing, LLC (1 from 54,719 patents)

3. Goldmail, Inc. (1 from 1 patent)


4 patents:

1. 9009143 - Use of off-page content to enhance captions with additional relevant information

2. 8458598 - Customized advertising for online slideshow

3. 7747614 - Difference control for generating and displaying a difference result set from the result sets of a plurality of search engines

4. 7747612 - Indication of exclusive items in a result set

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as of
12/29/2025
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