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Inventor

Maoqiang Dang

Inventor
Weifang, CN

Overview

3→
Patents
2013–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 3 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 transducers33%
B23PMetal-working not otherwise provided for22%
H05KPrinted circuits22%
Y10TTechnical subjects covered by former us classification22%
PatentTitleYear
9,271,435'Miniature microphone, protection frame thereof and method for manufacturing the same'20168,693,712'Condenser microphone'20148,553,921'Miniature microphone, protection frame thereof and method for manufacturing the same'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2016Patents assigned to GOERTEK INC (3)· patent assignee history
2013–2014Patents assigned to DANG MAOQIANG (2)· patent assignee history
2013–2014Patents assigned to WANG XIANBIN (2)· patent assignee history
2013–2014Patents assigned to YAO RONGGUO (2)· patent assignee history
2013Patents assigned to LIU ZHONGYUAN (1)· patent assignee history
2013–2016Based in Weifang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GOERTEK INC32013–2016
DANG MAOQIANGself22013–2014
WANG XIANBIN22013–2014
YAO RONGGUO22013–2014
LIU ZHONGYUAN12013
Locations
LocationPatentsSpan
Weifang, CN32013–2016