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WU GUANGHUA

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    123,209
  • Filing trend
    ⇧ 150.0%
About

WU GUANGHUA has a total of 16 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 2001. It filed its patents most often in United States and China. Its main competitors in its focus markets audio-visual technology, measurement and mechanical elements are NEWLANDS TECHNOLOGY LTD, USound GmbH and SONIONMEMS AS.

Patent filings in countries

World map showing WU GUANGHUAs patent filings in countries
# Country Total Patents
#1 United States 13
#2 China 3

Patent filings per year

Chart showing WU GUANGHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Guanghua 16
#2 Lan Xingshuo 9
#3 Wang Yunlong 2
#4 Gao Zhilei 1
#5 Xiao Zhixiong 1

Latest patents

Publication Filing date Title
US2021099823A1 Capacitive microphone with two signal outputs that are additive inverse of each other
US2020296519A1 Lateral mode capacitive microphone including a capacitor plate with sandwich structure for ultra high performance
US2020107136A1 MEMS device with continuous looped insert and trench
US2020256359A1 Flow Restrictor and Process for Fabricating the same
US2019174234A1 Capacitive microphone having capability of acceleration noise cancelation
US2020224772A1 Solenoid Valve with a Pneumatic Cylinder
US2020191673A1 Capacitive Pressure Transducer
US2020166424A1 Capacitive Pressure Sensor
US2018288532A1 MEMS device having novel air flow restrictor
CN110292817A A kind of efficiency of waste gas detergent
US2018192218A1 Process of fabricating lateral mode capacitive microphone
US2018192206A1 Lateral mode capacitive microphone with acceleration compensation
US2018192205A1 Lateral mode capacitive microphone
CN101942900A Method and equipment for filling delaminating and hollowing on building surfaces
CN1327106A Semiautomatic propelling construction mechanism for bridge parapet