Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tapas Kanti Roy — 6 Patents

Amazon: 6 patents #2,730 of 19,158Top 15%
Cupertino, CA: #2,350 of 6,989 inventorsTop 35%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Tapas Kanti Roy has been granted 6 US patents while listed as an inventor at Amazon. The first was granted in 2016 and the most recent in September 2025. Tapas Kanti Roy ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Tapas Kanti Roy in Cupertino, CA, US.

Patents per Year

Patents granted per year, 2016 to 2025Bar chart with a peak of 1 patents in 2016.peak 12016: 1 patents20162017: 1 patents20172019: 1 patents20192021: 1 patents20212023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12424223 Voice-controlled communication requests and responses Brian Oliver, Christo Frank Devaraj 2025-09-23
11798559 Voice-controlled communication requests and responses Brian Oliver, Christo Frank Devaraj 2023-10-24 $217,954,000
11062711 Voice-controlled communication requests and responses Brian Oliver, Christo Frank Devaraj 2021-07-13 $258,153,000
10504520 Voice-controlled communication requests and responses Brian Oliver, Christo Frank Devaraj 2019-12-10 $64,395,000
9690748 Delivering notifications to background applications Yaron Lissack, Saldy Antony, Mark Sander Urbanus 2017-06-27 $44,344,000
9489190 Message processing engine Fei Wang, Maxim Spivak, Robert Franklin Ebert, Arindam Bhattacharya 2016-11-08 $53,719,000