Growing community of inventors

La Puente, CA, United States of America

Henry K Chen

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 = 2

Henry K ChenJorge L Estrada (2 patents)Henry K ChenEver Ynsfran (2 patents)Henry K ChenHenry K Chen (2 patents)Jorge L EstradaJorge L Estrada (3 patents)Ever YnsfranEver Ynsfran (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Gauss Spire LLC (2 from 2 patents)


2 patents:

1. 9128828 - Exam notification timer device

2. 8699306 - Silent alarm and exam notification timer device

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as of
12/12/2025
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