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USPTO Patent Rankings Data through Sept 30, 2025
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Sinikka Harjunmaa — 1 Patent

Holden, MA: #133 of 222 inventorsTop 60%
Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #2,920,060 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10139340 Noninvasive refractometer Hannu Harjunmaa 2018-11-27