Growing community of inventors

Woodside, CA, United States of America

David L Johnson

Average Co-Inventor Count = 5.00

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 = 815

David L JohnsonJack Levine (2 patents)David L JohnsonNydia Jackson (2 patents)David L JohnsonHelen Clark (2 patents)David L JohnsonPriscilla C Brandt (2 patents)David L JohnsonDavid L Johnson (2 patents)Jack LevineJack Levine (3 patents)Nydia JacksonNydia Jackson (2 patents)Helen ClarkHelen Clark (2 patents)Priscilla C BrandtPriscilla C Brandt (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Visa International Service Association (1 from 2,512 patents)

2. Visa International (1 from 6 patents)


2 patents:

1. RE37122 - Method and apparatus for distributing currency

2. 5477038 - Method and apparatus for distributing currency

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as of
12/10/2025
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