P

Inventor

CHU QINGCHEN

CN8 patents
⚠️ This page may combine multiple inventors who share the name “CHU QINGCHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUAWEI TECH CO LTD

3 patents
US7590228B2Sep 15, 2009

General charging method

HUAWEI TECH CO LTD9 citations82
US7526075B2Apr 28, 2009

Method of implementing account charging and account charging system

HUAWEI TECH CO LTD6 citations60
US7313230B2Dec 25, 2007

General charging method

HUAWEI TECH CO LTD5 citations60

AAC TECHNOLOGIES PTE LTD

3 patents
US10826625B1Nov 3, 2020

Antenna calibration network system, antenna calibration network and MIMO antenna

AAC TECHNOLOGIES PTE LTD2 citations71
US11108138B2Aug 31, 2021

Antenna system and assembly method thereof, and base-station array antenna

AAC TECHNOLOGIES PTE LTD0 citations50
US11024978B2Jun 1, 2021

Antenna

AAC TECHNOLOGIES PTE LTD0 citations49

TONGYU COMMUNICATION INC

2 patents
US11205836B2Dec 21, 2021

Base station antenna and antenna array module thereof

TONGYU COMMUNICATION INC0 citations47
US10886634B2Jan 5, 2021

Filter feeding network and base station antenna

TONGYU COMMUNICATION INC0 citations45