Growing community of inventors

Beverly, MA, United States of America

Douglas Raum

Average Co-Inventor Count = 4.00

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 = 4

Douglas Raum ↔ William Hume Vance (1 patent)Douglas Raum ↔ Dean N Panagopoulos (1 patent)Douglas Raum ↔ Tader Chang (1 patent)Douglas RaumDouglas Raum (1 patent)William Hume VanceWilliam Hume Vance (5 patents)Dean N PanagopoulosDean N Panagopoulos (1 patent)Tader ChangTader Chang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zoom Telephonics, Inc. (1 from 16 patents)


1 patent:

1. 8194651 - Method and apparatus for user authentication

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