Inventor

Xinfeng Yang

Inventor

Weifang, CN

Overview

19→

Patents

2017–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 19 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 transducers70%

G10KSound-producing devices7%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general4%

B29CShaping or joining of plastics4%

B29LIndexing scheme associated with subclass b29c, relating to particular articles4%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

H03GControl of amplification4%

H05KPrinted circuits4%

PatentTitleYear

10,779,065Speaker module housing, speaker module and sounding device2020 10,715,907Speaker unit, speaker system, and method for adjusting vibration displacement of vibration diaphragm2020 10,638,220Moving-coil loudspeaker2020 10,638,233Speaker module and sound production device2020 10,582,323Speaker module housing and manufacturing method thereof2020 10,553,191Sound generating apparatus, electric device and method for manufacturing the same2020 10,542,344Loudspeaker module and manufacturing method thereof2020 10,433,055Speaker system with moving voice coil2019 10,397,718Vibration diaphragm and manufacturing method thereof2019 10,299,033Loudspeaker module2019 10,291,991Electrical-acoustic transformation device and electronic device2019 10,264,377Method and system for simultaneously verifying amplitude and temperature parameters of electrical-acoustic conversion device2019 10,225,664Electrical-acoustic transformation device2019 10,219,080Electrical-acoustic transformation device2019 10,178,477Vibrating diaphragm assembly2019 9,883,266'Loudspeaker module and electronic device comprising the loudspeaker module'2018 9,877,127Method and system for testing temperature tolerance limit of loudspeaker2018 9,838,792Vibration system of a loudspeaker2017 9,832,565Speaker sound hole device2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2020Patents assigned to GOERTEK INC (19)· patent assignee history

2017–2020Based in Weifang, CN· patent location history

2017–2020Based in Shandong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GOERTEK INC	19	2017–2020

Locations

Location	Patents	Span
Weifang, CN	13	2017–2020
Shandong, CN	6	2017–2020