Inventor

XU XIAN

US7 patents

⚠️ This page may combine multiple inventors who share the name “XU XIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MASSACHUSETTS INST TECHNOLOGY

2 patents

US9649279B2May 16, 2017

Fortified micronutrient salt formulations

MASSACHUSETTS INST TECHNOLOGY7 citations83

US11541017B2Jan 3, 2023

Fortified micronutrient salt formulations

MASSACHUSETTS INST TECHNOLOGY2 citations71

INFINERA CORP

2 patents

US11196505B2Dec 7, 2021

Method and apparatus for optical power controls in optical networks

INFINERA CORP2 citations66

US10784955B2Sep 22, 2020

Method and apparatus for rapid recovery of optical power after transient events in C+L band optical networks

INFINERA CORP0 citations48

FACEBOOK INC

2 patents

US10380501B2Aug 13, 2019

Lookalike evaluation

FACEBOOK INC0 citations37

US10592921B2Mar 17, 2020

Advertisement conversion prediction based on unlabeled data

FACEBOOK INC0 citations32

WHATSAPP LLC

1 patent

US12316621B1May 27, 2025

Authenticating anonymous information

WHATSAPP LLC4 citations64