Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ankur Gandhe — 19 Patents

Amazon: 15 patents #877 of 19,158Top 5%
IBM: 4 patents #21,783 of 70,183Top 35%
Bothell, WA: #132 of 2,342 inventorsTop 6%
Washington: #5,006 of 76,902 inventorsTop 7%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Ankur Gandhe has been granted 19 US patents while listed as an inventor at Amazon. The first was granted in 2015 and the most recent in December 2025. Ankur Gandhe ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Ankur Gandhe in Bothell, WA, US.

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12512096 Speech recognition using dialog history Behnam Hedayatnia, Anirudh Raju, Chandra Prakash Khatri, Ariya Rastrow, Anushree Venkatesh +3 more 2025-12-30
12236957 Authenticating a user profile with devices Lizhen Peng, Alok Upadhyay, Jason Cline 2025-02-25
12136413 Domain-specific parameter pre-fixes for tuning automatic speech recognition Saket Dingliwal, Sravan Babu Bodapati, Katrin Kirchhoff, Anubhav Mishra, John Baker +2 more 2024-11-05 $610,738,000
12014726 Language model adaptation Ariya Rastrow, Roland Maximilian Rolf Maas, Bjorn Hoffmeister 2024-06-18 $714,943,000
11705116 Language and grammar model adaptation using model weight data Ariya Rastrow, Gautam Tiwari, Ashish Vishwanath Shenoy, Chun-Yang Chen 2023-07-18 $248,707,000
11437043 Presence data determination and utilization Lizhen Peng, Alok Upadhyay, Jason Cline 2022-09-06 $277,932,000
11302310 Language model adaptation Ariya Rastrow, Roland Maximilian Rolf Maas, Bjorn Hoffmeister 2022-04-12 $244,197,000
11211058 Disambiguation in automatic speech processing Aaron Eakin, Angela Sun, Ariya Rastrow, Chenlei Guo, Xing Fan 2021-12-28 $307,879,000
11145296 Language and grammar model adaptation Ariya Rastrow, Gautam Tiwari, Ashish Vishwanath Shenoy, Chun-Yang Chen 2021-10-12 $338,640,000
11043214 Speech recognition using dialog history Behnam Hedayatnia, Anirudh Raju, Chandra Prakash Khatri, Ariya Rastrow, Anushree Venkatesh +3 more 2021-06-22 $461,798,000
10943583 Creation of language models for speech recognition Ariya Rastrow, Shaswat Pratap Shah 2021-03-09 $311,353,000
10210862 Lattice decoding and result confirmation using recurrent neural networks Faisal Ladhak, Markus Dreyer, Ariya Rastrow, Bjorn Hoffmeister, Lambert Mathias 2019-02-19 $117,550,000
10176802 Lattice encoding using recurrent neural networks Faisal Ladhak, Markus Dreyer, Ariya Rastrow, Bjorn Hoffmeister, Lambert Mathias 2019-01-08 $100,085,000
10121467 Automatic speech recognition incorporating word usage information Denis Sergeyevich Filimonov, Ariya Rastrow, Bjorn Hoffmeister 2018-11-06 $90,362,000
10032463 Speech processing with learned representation of user interaction history Ariya Rastrow, Nikko Strom, Spyridon Matsoukas, Markus Dreyer, Denis Sergeyevich Filimonov +2 more 2018-07-24 $100,378,000
9569530 Extracting and mining of quote data across multiple languages Amit Kumar Singh, Karthik Visweswariah 2017-02-14 $1,939,000
9558269 Extracting and mining of quote data across multiple languages Amit Kumar Singh, Karthik Visweswariah 2017-01-31 $3,813,000
9189965 Enhancing posted content in discussion forums Amit Kumar Singh, Rose Catherine Kanjirathinkal, Sachindra Joshi, Karthik Visweswariah 2015-11-17 $3,493,000
9189967 Enhancing posted content in discussion forums Amit Kumar Singh, Rose Catherine Kanjirathinkal, Sachindra Joshi, Karthik Vesweswariah 2015-11-17 $3,493,000