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San Francisco, CA, United States of America

David Christopher

Average Co-Inventor Count = 3.36

ph-index = 8

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 = 418

David ChristopherMaaike Louise Evers (7 patents)David ChristopherDavid Christophe Northway (4 patents)David ChristopherLauren Utigard (4 patents)David ChristopherGrace Tseng (3 patents)David ChristopherVictor Heldt (3 patents)David ChristopherLawrence K Lam (2 patents)David ChristopherMax K Yoshimoto (2 patents)David ChristopherHeather L Klaubert (2 patents)David ChristopherBrent Eikanas (2 patents)David ChristopherCarl Bingham Stone (1 patent)David ChristopherSean O'Hara (1 patent)David ChristopherRich Gioscia (1 patent)David ChristopherTodd Lewis (1 patent)David ChristopherMichael Christian Ryner (1 patent)David ChristopherZita Netzel (1 patent)David ChristopherZita Thorpe-Netzel (1 patent)David ChristopherZita Thorpe (1 patent)David ChristopherHeather Claubert (1 patent)David ChristopherDavid Christopher (10 patents)Maaike Louise EversMaaike Louise Evers (79 patents)David Christophe NorthwayDavid Christophe Northway (38 patents)Lauren UtigardLauren Utigard (6 patents)Grace TsengGrace Tseng (8 patents)Victor HeldtVictor Heldt (3 patents)Lawrence K LamLawrence K Lam (139 patents)Max K YoshimotoMax K Yoshimoto (73 patents)Heather L KlaubertHeather L Klaubert (7 patents)Brent EikanasBrent Eikanas (3 patents)Carl Bingham StoneCarl Bingham Stone (22 patents)Sean O'HaraSean O'Hara (9 patents)Rich GiosciaRich Gioscia (9 patents)Todd LewisTodd Lewis (8 patents)Michael Christian RynerMichael Christian Ryner (5 patents)Zita NetzelZita Netzel (2 patents)Zita Thorpe-NetzelZita Thorpe-Netzel (1 patent)Zita ThorpeZita Thorpe (1 patent)Heather ClaubertHeather Claubert (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Palm, Incorporated (9 from 478 patents)

2. Qualcomm Incorporated (1 from 41,498 patents)


10 patents:

1. 8928577 - Method and apparatus for single-step user generated notes on a personal digital assistant

2. 6900980 - Synchronization cradle with expansion card slots

3. D485837 - Cover for a handheld computer

4. D484135 - Faceplate of a handheld computer

5. 6519141 - Handheld computer cover with deformable exterior

6. 6381126 - Cover with viewing window for palmtop computer

7. 6364697 - Palmtop computer docking system

8. D452968 - Flip cover lid for a PDA device

9. D446526 - Removable faceplate for a personal digital assistant device

10. D443612 - Personal digital assistant device

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idiyas.com
as of
12/27/2025
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