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

Premkumar Natarajan — 22 Patents

Amazon: 8 patents #1,976 of 19,158Top 15%
RTX (Raytheon): 6 patents #2,008 of 15,912Top 15%
Volkswagen: 4 patents #377 of 3,450Top 15%
AAAudi Ag: 4 patents #352 of 2,982Top 15%
TCTrustees Of Tufts College: 1 patents #219 of 481Top 50%
BTBbn Technologies: 1 patents #47 of 126Top 40%
Dr. Ing. H.C. F. Porsche Ag: 1 patents #1,158 of 2,421Top 50%
Harbor Hills, CA: #5 of 16 inventorsTop 35%
California: #25,951 of 386,348 inventorsTop 7%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Premkumar Natarajan has been granted 22 US patents while listed as an inventor at Amazon. The first was granted in 2000 and the most recent in December 2025. Premkumar Natarajan ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Premkumar Natarajan in Harbor Hills, CA, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12488191 Virtual assistant humor management Anjali Yuan Narayan-Chen, Jianlei Sun, Shereen Oraby, Alessandra Cervone, Tan Shen Cliff Chung +4 more 2025-12-02
12456015 Natural language question generation Anita Kumar, Yi Fung, Aram Galstyan, Heng Ji 2025-10-28
12400645 Virtual assistant humor management Anjali Yuan Narayan-Chen, Jiao Sun, Shereen Oraby, Shuyang Gao, Tagyoung Chung +4 more 2025-08-26
12254548 Listener animation Gourav Datta, Vivek Yadav, Yue Wu, Ayush Jaiswal, Rajiv Reddy +2 more 2025-03-18
12112752 Cohort determination in natural language processing Rahul Gupta, Jwala Dhamala, Apurv Verma, Qingwen Ye, Mayur Himmatbhai Dabhi +5 more 2024-10-08 $525,927,000
11978437 Natural language processing Govindarajan Sundaram Thattai, Qing Ping, Feiyang Niu, Joel Joseph Chengottusseriyil, Prashanth Rajagopal +5 more 2024-05-07 $533,890,000
11775617 Class-agnostic object detection Ayush Jaiswal, Yue Wu, Pradeep Natarajan 2023-10-03 $186,162,000
11574637 Spoken language understanding models Anoop Kumar, Anil K. Ramakrishna, Sriram Venkatapathy, Rahul Gupta, Sankaranarayanan Ananthakrishnan 2023-02-07 $244,655,000
10223598 Method of generating segmented vehicle image data, corresponding system, and vehicle Somudro Gupta, Martin HEMPEL, Muneeb Saleem 2019-03-05
10152638 Early detection of exit only and shared lanes using perception technology Kaushik Raghu, Mohammadhossein Daraei, Norman A. Lopez 2018-12-11
10025996 Early detection of exit only and shared lanes using perception technology Kaushik Raghu, Mohammadhossein Daraei, Norman A. Lopez 2018-07-17
9701241 Early detection of turning and automatic response by the vehicle Kaushik Raghu 2017-07-11
9470537 Accurate position determination near exit lanes Kaushik Raghu, Lorenz Laubinger 2016-10-18
9330332 Fast computation of kernel descriptors Pradeep Natarajan, Shuang Wu, Rohit Prasad 2016-05-03 $15,969,000
9224207 Segmentation co-clustering Shiv Naga Prasad Vitaladevuni, Rohit Prasad 2015-12-29 $15,593,000
8953892 Efficient inner product computation for image and video analysis Shiv Naga Prasad Vitaladevuni, Pradeep Natarajan, Rohit Prasad 2015-02-10 $19,006,000
8861872 Image analysis using coefficient distributions with selective basis feature representation Shiv Naga Prasad Vitaladevuni, Pradeep Natarajan, Rohit Prasad 2014-10-14 $14,110,000
8644611 Segmental rescoring in text recognition Rohit Prasad, Richard M. Schwartz, Krishnakumar Subramanian 2014-02-04 $12,412,000
8290273 Multi-frame videotext recognition Rohit Prasad, Ehry MacRostie 2012-10-16 $8,987,000
7346507 Method and apparatus for training an automated speech recognition-based system Rohit Prasad 2008-03-18
7092888 Unsupervised training in natural language call routing Daniel J. McCarthy 2006-08-15 $48,473,000
6049574 Blind adaptive equalization using cost function that measures dissimilarity between the probability distributions of source and equalized signals Joseph Noonan, Ilyas Berk Guvelioglu 2000-04-11