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Kalamazoo, MI, United States of America

Johnson A Asumadu

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 184

Johnson A AsumaduJames A Satchell, Jr (4 patents)Johnson A AsumaduBrian G Krug (1 patent)Johnson A AsumaduJohnson A Asumadu (5 patents)James A Satchell, JrJames A Satchell, Jr (4 patents)Brian G KrugBrian G Krug (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Vendonet, Inc. (3 from 3 patents)

2. Other (1 from 832,812 patents)

3. Western Michigan University (1 from 56 patents)


5 patents:

1. 10830589 - Magnetic nanoparticle-based gyroscopic sensor

2. RE44791 - Vending machine and computer assembly

3. RE43656 - Vending machine and computer assembly

4. RE41543 - Vending machine and computer assembly

5. 5822216 - Vending machine and computer assembly

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as of
12/19/2025
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