Diana B. Johnson — 2 Patents at Sigma Computing

Diana B. Johnson has been granted 2 US patents while listed as an inventor at Sigma Computing. The first was granted in 2023 and the most recent in August 2024. Diana B. Johnson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Diana B. Johnson in San Francisco, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12061602	Frequency-based worksheet filtering	Carol M. Culver, Nipurn Doshi, Jason D. Frantz	2024-08-13
11556529	Top frequency worksheet filtering	Carol M. Culver, Nipurn Doshi, Jason D. Frantz	2023-01-17

Diana B. Johnson — 2 Patents

Issued Patents All Time

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