Growing community of inventors

Ann Arbor, MI, United States of America

Frederick Gruhl

Average Co-Inventor Count = 2.00

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 = 8

Frederick GruhlErin J Lindsay (2 patents)Frederick GruhlFrederick Gruhl (2 patents)Erin J LindsayErin J Lindsay (36 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Terumo Corporation (2 from 194 patents)

2. Olympus Corporation (1 from 8,194 patents)

3. Olympus Optical Company, Ltd. (1 from 5,729 patents)


2 patents:

1. 7662153 - Minimal invasive endoscopic methods and apparatus for harvesting blood vessels

2. 7041113 - Minimal invasive endoscopic methods and apparatus for harvesting blood vessels

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as of
12/17/2025
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