GZ

Guqing Zhang

AP Aac Technologies Pte.: 21 patents #20 of 401Top 5%
AC Aac Acoustic Technologies (Shenzhen) Co.: 1 patents #138 of 263Top 55%
Overall (All Time): #193,775 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11290806 Sound generating device Yiming Meng, Wei Pang 2022-03-29
11245978 Loudspeaker 2022-02-08
11197089 Sound generating device Yiming Meng, Wei Pang 2021-12-07
11057712 Speaker 2021-07-06
11032648 Electroacoustic sound generator 2021-06-08
10979818 Speaker with holder having engaging groove Ronglin Linghu 2021-04-13
10932057 Speaker 2021-02-23
10932055 Speaker 2021-02-23
10869136 Speaker 2020-12-15
10869132 Speaker 2020-12-15
10820108 Speaker Ronglin Linghu 2020-10-27
10820115 Speaker 2020-10-27
10820114 Speaker Ronglin Linghu 2020-10-27
10764688 Speaker 2020-09-01
10764686 Speaker 2020-09-01
10750289 Speaker 2020-08-18
10602278 Speaker 2020-03-24
10382850 Spring sheet, electroacoustic device, and electronic device 2019-08-13
10080081 Multifunctional speaker 2018-09-18
9820054 Electromagnetic transducer having a suspending ring disposed for increased vibrating space Zhongping Li 2017-11-14
9456280 Electromagnetic transducer Zhongping Li 2016-09-27
9277326 Miniature speaker Yiming Meng 2016-03-01