Growing community of inventors

Portland, OR, United States of America

Allen Siefken

Average Co-Inventor Count = 5.00

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 = 16

Allen SiefkenJason Attfield Sagen (2 patents)Allen SiefkenStevan Wittenbrock (2 patents)Allen SiefkenForrest Seitz (2 patents)Allen SiefkenJohn Ripper (2 patents)Allen SiefkenAllen Siefken (2 patents)Jason Attfield SagenJason Attfield Sagen (41 patents)Stevan WittenbrockStevan Wittenbrock (8 patents)Forrest SeitzForrest Seitz (2 patents)John RipperJohn Ripper (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oregon Aesthetic Technologies (2 from 3 patents)


2 patents:

1. 8313518 - Skin therapy system

2. 7896908 - Skin therapy system

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as of
1/2/2026
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