Growing community of inventors

Barrington, IL, United States of America

John Zei

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 = 12

John ZeiDennis Ray Kirchhoefer (1 patent)John ZeiEvan Llamas-Young (1 patent)John ZeiJohn Zei (1 patent)Dennis Ray KirchhoeferDennis Ray Kirchhoefer (6 patents)Evan Llamas-YoungEvan Llamas-Young (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Knowles Electronics, Inc. (1 from 493 patents)


1 patent:

1. 7747032 - Conjoined receiver and microphone assembly

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12/26/2025
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