Weiwei Cheng — 14 Patents at Amazon

Weiwei Cheng has been granted 14 US patents while listed as an inventor at Amazon. The first was granted in 2015 and the most recent in October 2025. Weiwei Cheng ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Weiwei Cheng in Berlin, DE.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12451462	Unified semiconductor devices having processor and heterogeneous memories and methods for forming the same	Jun Liu	2025-10-21
11599927	Artificial intelligence system using deep neural networks for pairwise character-level text analysis and recommendations	Valentin Flunkert	2023-03-07	$257,249,000
11448592	Method for rapidly predicting freezer storage time of frozen pork based on reflectance ratio of two near-infrared bands	Dawen Sun, Hongbin Pu, Zhiwei Zhu, Zhong Han	2022-09-20
11367117	Artificial intelligence system for generating network-accessible recommendations with explanatory metadata	—	2022-06-21	$198,705,000
10929392	Artificial intelligence system for automated generation of realistic question and answer pairs	—	2021-02-23	$259,688,000
10918660	Combination and balanced nutritious food for improving intestinal micro-ecology and preventing chronic disease, and application thereof	Bingjun Yang, Mingguo Chi, Jing Yuan, Wei Bi	2021-02-16
10796094	Extracting keywords from a document	Amanda Dee Bottorff, Sandeep Ranganathan	2020-10-06	$256,164,000
10558657	Document content analysis based on topic modeling	Christopher Gonzales	2020-02-11	$118,770,000
10387568	Extracting keywords from a document	Amanda Dee Bottorff, Sandeep Ranganathan	2019-08-20	$99,757,000
10255283	Document content analysis based on topic modeling	Christopher Gonzales	2019-04-09	$126,353,000
10248712	Generating a set of representative items using a maximum-set-coverage selection strategy	—	2019-04-02	$112,263,000
10114885	Generating a set of representative items using a clustering-selection strategy	—	2018-10-30	$96,648,000
10114887	Generating a set of representative items using a dynamic selection strategy	—	2018-10-30	$96,648,000
9163214	Method for culturing stem cells	Dongmei Lai, Lihe Guo, Tianjin Liu, Lizhen Jiang, Qin Huang	2015-10-20

Weiwei Cheng — 14 Patents

Issued Patents All Time

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