# Lei Zhang — Patents explained on PatentBrief

Lei Zhang has 3 landmark patents explained in plain English on PatentBrief.

- [How Devices Securely Share Machine Learning Model Updates](https://patentbrief.org/patent/us/12626144/data-processing-method-federated-learning-training-method-and-related-apparatus-) — granted 2026
  This patent describes a method for multiple devices to train a machine learning model using their own data and then securely share parts of the trained model with each other before sending it to a central server, improving data privacy.
- [How Engineered TALE Proteins Can Edit Genes](https://patentbrief.org/patent/us/11661612/dna-binding-proteins-and-uses-thereof) — granted 2023
  This patent describes engineered DNA-binding proteins called TALEs, which are shortened and modified to precisely target and edit specific DNA sequences in cells, potentially for gene therapy.
- [How Search Engines Rank Images Using User Ratings](https://patentbrief.org/patent/us/7836050/bing-search-ranking) — granted 2010
  A system that improves image search results by combining how well an image matches a search term with how highly users have rated that image elsewhere.

**Full profile:** https://patentbrief.org/inventor/lei-zhang

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._