Growing community of inventors

Fredericksburg, TX, United States of America

Mark S Ledder

Average Co-Inventor Count = 2.14

ph-index = 4

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 = 90

Mark S LedderEmily Ledder (3 patents)Mark S LedderRoger L Fyffe (2 patents)Mark S LedderEdward J Ledder (1 patent)Mark S LedderMark S Ledder (5 patents)Emily LedderEmily Ledder (3 patents)Roger L FyffeRoger L Fyffe (31 patents)Edward J LedderEdward J Ledder (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ledder High Risk Capital Ventures, LP (5 from 5 patents)


5 patents:

1. 8635158 - Student loan repayment system

2. 8612349 - Cloud computing system and method for accumulating money

3. 8606713 - Computer implemented method for accumulating money

4. 8479673 - Vessel for research and development of offshore renewable energy resources

5. 7712426 - Multi-purpose expedition vessel

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as of
1/12/2026
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