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USPTO Patent Rankings Data through Sept 30, 2025
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Praful Shah — 4 Patents in 2017

Amazon: 4 patents #254 of 3,114Top 9%
Los Altos Hills, CA: #38 of 208 inventorsTop 20%
California: #5,406 of 60,394 inventorsTop 9%
Overall (2017): #39,676 of 506,227Top 8%
4 Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9749457 Provisioning interfaces for accessing virtual private branch exchange services through a mobile device Vlad Vendrow, Vladimir Shmunis, Vi Dinh Chau, Natalie Nayberg 2017-08-29
9736756 Centralized status server for call management of location-aware mobile devices Vlad Vendrow, Bruce Young, Boris Elpiner, Vladimir Shmunis 2017-08-15
9602986 Universal call management platform Vlad Vendrow, Vi Dinh Chau, Vladimir Shmunis 2017-03-21
9591138 Call queuing for location-aware mobile devices Vlad Vendrow, Bruce Young, Boris Elpiner, Vladimir Shmunis 2017-03-07