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HANDELI CHANGZHOU ELECTRONICS

Overview
  • Total Patents
    35
About

HANDELI CHANGZHOU ELECTRONICS has a total of 35 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets audio-visual technology and machine tools are ELECTRO ACOUSTICS RES 1999 PTE LTD, ANHUI JINGLI ELECTRONICS CO LTD and POST RUNDFUNK FERNSEHTECH.

Patent filings in countries

World map showing HANDELI CHANGZHOU ELECTRONICSs patent filings in countries
# Country Total Patents
#1 China 35

Patent filings per year

Chart showing HANDELI CHANGZHOU ELECTRONICSs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Wu Yifei 20
#2 Zhang Xiuqin 7
#3 Guo Min 7
#4 Li Hongyuan 6
#5 Hongyuan Li 6
#6 Xu Jinguo 6
#7 Yifei Wu 6
#8 Wang Zhenzhen 4
#9 Wang Kai 4
#10 Wang Ping 4

Latest patents

Publication Filing date Title
CN103781004A Low-energy-consumption sound-expanding piezoelectric ceramic safety alarm
CN103747396A Suspension type elastic diaphragm
CN103648073A Flat-membrane-structured micro loudspeaker
CN103747397A Miniature moving-iron bone conduction driving device
CN103745717A Double-driving buzzer
CN103648076A Automatic stitch pin wearing shaping machine
CN103612101A Automatic shell press
CN103596115A Tool and technology for shaping loudspeaker voice coil
CN103442316A Loudspeaker with virtual sound cavity
CN103464389A Sound pressure automatic detection device
CN103458333A High-fidelity high-anti-noise moving-coil microphone with excellent electromagnetic compatibility
CN103237285A Composite diaphragm piezoelectric loudspeaker formed by 3D (three-dimensional) printing technology
CN103237286A Automatic aging tool for speakers
CN103073288A High-temperature-resistant tetragonal piezoelectric ceramic formula
CN103116954A Low-power-consumption piezoelectric security and protection alertor
CN103079154A Novel driving device for automobile audio
CN103137117A Electromagnetic signal alarming device
CN103071905A Tool and process for spot welding of loudspeaker frame
CN102861834A Automatic wire bending and cutting device
CN102825409A Tool and method for spot-welding loose wires of frame of loudspeaker