Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mariko Okajima — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Tokyo, JP: #57,845 of 90,295 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Mariko Okajima has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2024. Mariko Okajima ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Mariko Okajima in Tokyo, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11942152 Fuzzy string search circuit Yoshinori Okajima 2024-03-26