Growing community of inventors

Tucson, AZ, United States of America

Francis W Layher

Average Co-Inventor Count = 1.14

ph-index = 3

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 = 22

Francis W LayherFrancis A Sutter (1 patent)Francis W LayherFrancis W Layher (4 patents)Francis A SutterFrancis A Sutter (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (2 from 832,880 patents)

2. Quantum Materials Corporation (2 from 24 patents)


4 patents:

1. 7549288 - Wave energy power extraction system

2. 5444437 - Signaling device

3. 5336357 - Manually operable die attach apparatus

4. 5313841 - Die adhesion testing method and apparatus

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1/3/2026
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