Growing community of inventors

Shoreview, MN, United States of America

Daniel E Sullivan

Average Co-Inventor Count = 1.20

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 = 69

Daniel E SullivanRobert John Cox (2 patents)Daniel E SullivanDaniel E Sullivan (6 patents)Robert John CoxRobert John Cox (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Zivix LLC (6 from 10 patents)


6 patents:

1. 10249278 - Systems and methods for creating digital note information for a metal-stringed musical instrument

2. 9899015 - Systems and methods for creating digital note information for a metal-stringed musical instrument

3. 8841537 - Systems and methods for a digital stringed instrument

4. 8415550 - Systems and methods for a digital stringed instrument

5. 8022288 - Musical instrument

6. 7598449 - Musical instrument

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as of
12/10/2025
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