Inventor
Zhiwei ZHONG
Inventor
CN
Overview
Patents· 49 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers98%
G06FElectric digital data processing2%
PatentTitleYear
12,587,789Coaxial speaker202612,587,791Sound-generating device202612,532,121Speaker device and stylus202612,532,122Speaker device202612,513,464Single power amplifier circuit realizes high and low frequency division of a speaker and anti-phase muffling of a receiver, and sounding device incorporating same202512,483,823Sound-generating device202512,477,268Speaker device202512,452,581Earphone core and earphone202512,452,597Coaxial speaker202512,413,910Speaker device202512,407,986Sounding device202512,407,976Coaxial earphone core202512,407,987Speaker device202512,407,975Coaxial speaker202512,401,939Coaxial speaker box202512,395,795Sound device202512,389,161Coaxial speaker202512,317,048Sounding device202512,289,572Electronic device with a sounding function202512,289,590Coaxial speaker202512,289,591Coaxial speaker202512,160,721Coaxial speaker202412,160,720Coaxial speaker202412,160,719Coaxial speaker202412,155,991Electronic device with a function of sound202412,156,007Coaxial speaker202412,156,008Coaxial speaker202412,155,992Coaxial speaker202412,120,495Coaxial speaker202412,088,994Speaker box202412,047,733Coaxial speaker202411,770,655Sounding device202311,765,512Acoustic device202311,758,321Speaker box202311,696,077Speaker device202311,671,762Speaker202311,671,761Sounding device202311,665,481Speaker device202311,665,471Sounding device202311,665,480Speaker202311,665,479Sounding device202311,659,334Acoustic device202311,638,074Speaker device202311,622,201Speaker202311,589,165Sounding device202311,570,534Speaker device202311,570,533Speaker device202311,516,589Sounding device202211,516,592Sounding device2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to AAC MICROTECH CHANGZHOU CO LTD (49)· patent assignee history
2022–2026Based in CN· patent location history
2023Patents assigned to AAC ACOUSTIC TECH SHENZHEN CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AAC MICROTECH CHANGZHOU CO LTD | 49 | 2022–2026 |
| AAC ACOUSTIC TECH SHENZHEN CO LTD | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 49 | 2022–2026 |