Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RC

Rishav Chakravarti — 6 Patents

Amazon: 3 patents #5,214 of 19,158Top 30%
IBM: 3 patents #26,335 of 70,183Top 40%
White Plains, NY: #271 of 917 inventorsTop 30%
New York: #23,374 of 115,490 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Rishav Chakravarti has been granted 6 US patents while listed as an inventor at Amazon. The first was granted in 2020 and the most recent in July 2025. Rishav Chakravarti ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Rishav Chakravarti in White Plains, NY, US.

Patents per Year

Patents granted per year, 2020 to 2025Bar chart with a peak of 2 patents in 2020.peak 22020: 2 patents20202021: 1 patents20212022: 1 patents20222023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12346315 Natural language query processing Sheng Zhang, Patrick Ng, Zhiguo Wang, Anuj Chauhan, Jiarong Jiang +3 more 2025-07-01
11726997 Multiple stage filtering for natural language query processing pipelines Jun Wang, Zhiguo Wang, Sharanabasappa Parashuram Revadigar, Ramesh M Nallapati, Bing Xiang +7 more 2023-08-15 $321,481,000
11500865 Multiple stage filtering for natural language query processing pipelines Jun Wang, Zhiguo Wang, Sharanabasappa Parashuram Revadigar, Ramesh M Nallapati, Bing Xiang +7 more 2022-11-15 $192,729,000
10915560 Ranking passages by merging features from factoid answers James W. Murdock, IV, Jiri Navratil 2021-02-09 $3,536,000
10762092 Continuous augmentation method for ranking components in information retrieval Jiri Navratil, Bowen Zhou 2020-09-01 $3,521,000
10747770 Continuous augmentation method for ranking components in information retrieval Jiri Navratil, Bowen Zhou 2020-08-18 $3,155,000