Inventor

QI YANJUN

CN8 patents

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

CHEN XI

3 patents

US8521662B2Aug 27, 2013

System and methods for finding hidden topics of documents and preference ranking documents

CHEN XI5 citations83

US8738547B2May 27, 2014

System and methods for finding hidden topics of documents and preference ranking documents

CHEN XI2 citations61

US8612369B2Dec 17, 2013

System and methods for finding hidden topics of documents and preference ranking documents

CHEN XI3 citations61

QI YANJUN

2 patents

US8892488B2Nov 18, 2014

Document classification with weighted supervised n-gram embedding

QI YANJUN34 citations91

US8874432B2Oct 28, 2014

Systems and methods for semi-supervised relationship extraction

QI YANJUN58 citations90

NEC LAB AMERICA INC

2 patents

US8977579B2Mar 10, 2015

Latent factor dependency structure determination

NEC LAB AMERICA INC3 citations58

US9183503B2Nov 10, 2015

Sparse higher-order Markov random field

NEC LAB AMERICA INC0 citations40

UNIV CHINA MINING

1 patent

US12326222B1Jun 10, 2025

Sealing structure of underground high-pressure gas storage and construction method thereof

UNIV CHINA MINING1 citations56