Growing community of inventors

Portland, OR, United States of America

Michael Hanrahan

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 = 0

Michael Hanrahan ↔ Patrick H Witham (2 patents)Michael Hanrahan ↔ William Stringer (2 patents)Michael HanrahanMichael Hanrahan (2 patents)Patrick H WithamPatrick H Witham (2 patents)William StringerWilliam Stringer (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Harrow IP, LLC (2 from 13 patents)


2 patents:

1. 12478639 - Ocular lubricant formulations

2. 11918603 - Ocular lubricant formulations

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1/7/2026
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