Ranju Das — 12 Patents at Amazon

Ranju Das has been granted 12 US patents while listed as an inventor at Amazon. The first was granted in 2017 and the most recent in December 2025. Ranju Das ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Ranju Das in Seattle, WA, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12499102	Hierarchical delimiter identification for parsing of raw data	Samrendra K. Singh, Subhasis Jethy, Udit Saini, Vasant Manohar, Rahul Bhotika +1 more	2025-12-16
12198046	Real-time visualization of machine learning models	Wei Xia, Weixin Wu, Meng Wang	2025-01-14
12147878	Feedback-based training for anomaly detection	Barath Balasubramanian, Rahul Bhotika, Niels Brouwers, Prakash Krishnan, Shaun Ryan James McDowell +6 more	2024-11-19	$417,409,000
11983243	Anomaly detection using feedback training	Barath Balasubramanian, Rahul Bhotika, Niels Brouwers, Prakash Krishnan, Shaun Ryan James McDowell +6 more	2024-05-14	$540,117,000
11741592	Generation of training data from a single image	Joaquin Zepeda Salvatierra, Anant Patel, Shaun Ryan James McDowell, Prakash Krishnan, Niels Brouwers +1 more	2023-08-29	$258,572,000
11080316	Context-inclusive face clustering	Wei Xia, Meng Wang, Xiaofeng Ren	2021-08-03	$284,422,000
10962939	Fine-grain content moderation to restrict images	Wei Xia, Hao Chen, Meng Wang, Venkatesh Bagaria, Jonathan Hedley	2021-03-30	$248,249,000
10810491	Real-time visualization of machine learning models	Wei Xia, Weixin Wu, Meng Wang	2020-10-20	$221,169,000
10534965	Analysis of video content	Nitin Singhal, Vivek Bhadauria, Gaurav D. Ghare, Roman Goldenberg, Stephen Gould +9 more	2020-01-14	$114,687,000
10467290	Generating and refining a knowledge graph	Weixin Wu, Wei Xia, Meng Wang	2019-11-05	$67,272,000
10423827	Image text recognition	Jonathan Wu, Meng Wang, Wei Xia	2019-09-24	$124,526,000
9792530	Generating and using a knowledge base for image classification	Weixin Wu, Wei Xia, Meng Wang	2017-10-17	$37,690,000

Ranju Das — 12 Patents

Issued Patents All Time

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