Growing community of inventors

San Francisco, CA, United States of America

Diana B Johnson

Average Co-Inventor Count = 4.00

ph-index = 1

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 = 0

Diana B JohnsonJason D Frantz (2 patents)Diana B JohnsonNipurn Doshi (2 patents)Diana B JohnsonCarol M Culver (2 patents)Diana B JohnsonDiana B Johnson (2 patents)Jason D FrantzJason D Frantz (47 patents)Nipurn DoshiNipurn Doshi (6 patents)Carol M CulverCarol M Culver (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sigma Computing, Inc. (2 from 77 patents)


2 patents:

1. 12061602 - Frequency-based worksheet filtering

2. 11556529 - Top frequency worksheet filtering

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1/21/2026
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