Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MG

Marcia Griffith — 2 Patents

IMImmervision: 2 patents #16 of 28Top 60%
LaSalle, CA: #116 of 292 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Marcia Griffith has been granted 2 US patents while listed as an inventor at Immervision. The first was granted in 2023 and the most recent in January 2024. Marcia Griffith ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Marcia Griffith in LaSalle, ON, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11867898 Optical system with dynamic distortion using freeform elements Zhenfeng ZHUANG, Jocelyn PARENT, Patrice ROULET, Simon Thibault, Xavier DALLAIRE +10 more 2024-01-09
11561391 Optical system with dynamic distortion using freeform elements Zhenfeng ZHUANG, Jocelyn PARENT, Patrice ROULET, Simon Thibault, Xavier DALLAIRE +10 more 2023-01-24