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Aurora, IL, United States of America

Lei Pen

Average Co-Inventor Count = 4.00

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 = 28

Lei Pen ↔ Lawrence W Kessler (2 patents)Lei Pen ↔ Michael G Oravecz (2 patents)Lei Pen ↔ Zhiqi Guo (1 patent)Lei Pen ↔ Zhiqu Guo (1 patent)Lei PenLei Pen (2 patents)Lawrence W KesslerLawrence W Kessler (20 patents)Michael G OraveczMichael G Oravecz (10 patents)Zhiqi GuoZhiqi Guo (2 patents)Zhiqu GuoZhiqu Guo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sonoscan, Inc. (2 from 20 patents)


2 patents:

1. 7522780 - Frequency domain processing of scanning acoustic imaging signals

2. 6890302 - Frequency domain processing of scanning acoustic imaging signals

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1/20/2026
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