# Zhen Zhao — Patents explained on PatentBrief

Zhen Zhao has 1 landmark patent explained in plain English on PatentBrief.

- [How a Recommendation System Uses Dislikes to Suggest New Content](https://patentbrief.org/patent/us/11416536/content-recommendation-system-11416536) — granted 2022
  Comcast's patent describes a content recommendation system that finds users with similar tastes by focusing on what content they both dislike, especially popular disliked items, to suggest new shows or movies.

**Full profile:** https://patentbrief.org/inventor/zhen-zhao

---

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