P

Inventor

XU XIANGQING

CN14 patents
⚠️ This page may combine multiple inventors who share the name “XU XIANGQING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHANG GUISEN

4 patents
US9315496B2Apr 19, 2016

Benzopyrone derivative and use thereof

ZHANG GUISEN7 citations80
US9018213B2Apr 28, 2015

Alicyclic[c] benzopyrone derivatives and uses thereof

ZHANG GUISEN2 citations58
US8993575B2Mar 31, 2015

[1,3,4] oxadiazole derivative and application thereof

ZHANG GUISEN0 citations46
US8420652B2Apr 16, 2013

Use of aryl piperazine derivatives in manufacturing medicants for treating pain

ZHANG GUISEN0 citations44

NHWA PHARMA CORP

3 patents
US9238632B2Jan 19, 2016

3-cyanoanilinoalkylarylpiperazine derivative and use thereof in preparing drugs

NHWA PHARMA CORP2 citations59
US10093644B2Oct 9, 2018

3-[(Benzo[D][1,3]dioxolan-4-yl)-oxy]-3-arylpropylamine type compounds and applications thereof

NHWA PHARMA CORP0 citations50
US10517862B2Dec 31, 2019

Fused heterocyclic compound derivative and application thereof

NHWA PHARMA CORP0 citations36

ALCATEL LUCENT

2 patents
US8027699B2Sep 27, 2011

Systems and methods of band amplification with a shared amplifier

ALCATEL LUCENT6 citations58
US7903592B2Mar 8, 2011

Systems and methods of efficient band amplification

ALCATEL LUCENT4 citations58

RADIO FREQUENCY SYSTEMS INC

1 patent
US5650758AJul 22, 1997

Pipelined digital predistorter for a wideband amplifier

RADIO FREQUENCY SYSTEMS INC58 citations91

LI QINGENG

1 patent
US9994578B2Jun 12, 2018

Benzodiazepine derivative and use thereof

LI QINGENG0 citations45

JIANGSU NHWALUOKANG PHARMACEUTICAL RES AND DEVELOPMENT CO LTD

1 patent
US10392352B2Aug 27, 2019

Etomidate derivative and intermediate, preparation method and use thereof

JIANGSU NHWALUOKANG PHARMACEUTICAL RES AND DEVELOPMENT CO LTD0 citations42

JIANGSU NHWA PHARMACEUTICAL CO LTD

1 patent
US12559471B2Feb 24, 2026

1,5-dihydro-2,4-benzodiazepine-3-one derivative and application thereof

JIANGSU NHWA PHARMACEUTICAL CO LTD0 citations37

LI JIANQI

1 patent
US8778948B2Jul 15, 2014

Substituted phenylpiperazinyl aralkylalcohol derivatives, pharmaceutical compositions containing such derivatives and uses thereof

LI JIANQI0 citations37