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AAC ACOUSTIC TECH HOLD CHANGZH

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    204,273
About

AAC ACOUSTIC TECH HOLD CHANGZH has a total of 34 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets audio-visual technology, optics and semiconductors are AAC ACOUSTIC TECH SHENZHEN CO, DIOSTECH CO LTD and AAC TECHNOLOGIES SINGAPORE CO LTD.

Patent filings in countries

World map showing AAC ACOUSTIC TECH HOLD CHANGZHs patent filings in countries
# Country Total Patents
#1 China 34

Patent filings per year

Chart showing AAC ACOUSTIC TECH HOLD CHANGZHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhijiang Wu 6
#2 Yongze Su 4
#3 Xingfu Chen 4
#4 Xudong Pan 3
#5 Gaozhe Jin 2
#6 Rui Zhang 2
#7 Zhenkui Meng 2
#8 Silong Yuan 2
#9 Leping Dong 2
#10 Teraoka Hiroyuki 2

Latest patents

Publication Filing date Title
CN101871952A MEMS (Micro Electro Mechanical System) acceleration sensor
CN101651921A Wire bending method of free lead wire of voice coil
CN101621731A Manufacturing method of minitype acoustical generator
CN101614520A Detect the piezoelectric sensor and the method thereof of static displacement
CN101600130A Loudspeaker array
CN101600135A Voice coil loudspeaker voice coil
CN101651918A Capacitance type microphone
CN101651913A Microphone
CN101651917A Capacitance microphone
CN101651919A Silicon capacitance microphone
CN101646120A Capacitance microphone
CN101646124A Method for manufacturing piezoelectric ceramic loudspeaker
CN101572341A Debugging device of built-in monopole antenna in context of large size mainboard
CN101552940A Miniature sounder
CN101488697A Flat linear vibrating motor
CN101489172A Manufacturing method for miniature microphone
CN101477800A Voice enhancing process
CN101453679A Parametric array loudspeaker, signal processing method thereof
CN101453683A Silicon capacitor type microphone
CN101488696A Brushless vibrating motor