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USPTO Patent Rankings Data through Sept 30, 2025
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Natalia Grigorievna Ryazanova

Tomsk, RU: #1 of 8 inventorsTop 15%
Overall (2004): #147,456 of 270,089Top 55%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6802981 Method for purification and disinfection of water Nikolay Danilovich Ryazanov 2004-10-12