Growing community of inventors

Foster City, CA, United States of America

Derek L Collison

Average Co-Inventor Count = 2.21

ph-index = 6

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 = 197

Derek L CollisonMark H Lucovsky (5 patents)Derek L CollisonCarl Phillip Sjogreen (5 patents)Derek L CollisonDan Leshchiner (2 patents)Derek L CollisonDennis R Page (2 patents)Derek L CollisonKeith Jonathan Coleman (1 patent)Derek L CollisonVadim Spivak (1 patent)Derek L CollisonAdam Ross Barker (1 patent)Derek L CollisonDavid Chad Thornton (1 patent)Derek L CollisonCarl P Sjogreen (0 patent)Derek L CollisonDerek L Collison (10 patents)Mark H LucovskyMark H Lucovsky (55 patents)Carl Phillip SjogreenCarl Phillip Sjogreen (9 patents)Dan LeshchinerDan Leshchiner (9 patents)Dennis R PageDennis R Page (2 patents)Keith Jonathan ColemanKeith Jonathan Coleman (30 patents)Vadim SpivakVadim Spivak (24 patents)Adam Ross BarkerAdam Ross Barker (3 patents)David Chad ThorntonDavid Chad Thornton (3 patents)Carl P SjogreenCarl P Sjogreen (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Google Inc. (6 from 32,543 patents)

2. Tibco Software Inc. (3 from 102 patents)

3. Tibo Software, Inc. (1 from 1 patent)


10 patents:

1. 9015149 - Sharing user distributed search results

2. 8862572 - Sharing user distributed search results

3. 8849810 - Sharing user distributed search results

4. 8606859 - Method and system to communicate messages in a computer network

5. 8122019 - Sharing user distributed search results

6. 7844603 - Sharing user distributed search results

7. 7627828 - Systems and methods for graphically representing users of a messaging system

8. 7530078 - Certified message delivery and queuing in multipoint publish/subscribe communications

9. 7080385 - Certified message delivery and queuing in multipoint publish/subscribe communications

10. 7051118 - Method and apparatus for anonymous subject-based addressing

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as of
12/31/2025
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