Growing community of inventors

Cambridge, MA, United States of America

Andrew Ullmann

Average Co-Inventor Count = 5.00

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 = 15

Andrew Ullmann ↔ Douglas C Williams (1 patent)Andrew Ullmann ↔ Albert Robinson Seeley (1 patent)Andrew Ullmann ↔ Nathan W David (1 patent)Andrew Ullmann ↔ Zhongyi Chen (1 patent)Andrew UllmannAndrew Ullmann (1 patent)Douglas C WilliamsDouglas C Williams (18 patents)Albert Robinson SeeleyAlbert Robinson Seeley (5 patents)Nathan W DavidNathan W David (2 patents)Zhongyi ChenZhongyi Chen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Empirix Inc. (1 from 35 patents)


1 patent:

1. 8737571 - Methods and apparatus providing call quality testing

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/9/2025
Loading…