Growing community of inventors

Escondido, CA, United States of America

Liyan He

Average Co-Inventor Count = 2.00

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 = 5

Liyan HeMichael J Conrad (2 patents)Liyan HeLiyan He (2 patents)Michael J ConradMichael J Conrad (18 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chromagen, Inc. (2 from 8 patents)


2 patents:

1. 6949632 - Fluorogenic substrates

2. 6635435 - Fluorogenic substrates and their use

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as of
1/8/2026
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