Growing community of inventors

Ann Arbor, MI, United States of America

Douglas Song

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 0

Douglas SongJon Oberheide (1 patent)Douglas SongAdam P Goodman (1 patent)Douglas SongDouglas Song (1 patent)Jon OberheideJon Oberheide (75 patents)Adam P GoodmanAdam P Goodman (29 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cisco Technology, Inc. (1 from 20,382 patents)

2. Duo Security, Inc. (57 patents)


1 patent:

1. 11832099 - System and method of notifying mobile devices to complete transactions

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12/26/2025
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