# Xi Zhu — Patents explained on PatentBrief

Xi Zhu has 1 landmark patent explained in plain English on PatentBrief.

- [How Mobile Phones Can Securely Authorize Payments Using Random ID Codes](https://patentbrief.org/patent/us/7577616/method-and-apparatus-of-secure-authentication-and-electronic-payment-through-mobile-communication-tool) — granted 2009
  A 2006 system that uses a mobile phone to receive and relay a unique, temporary ID code to a store terminal to verify and authorize a payment transaction.

**Full profile:** https://patentbrief.org/inventor/xi-zhu

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