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Inventor

Yunxia Xu

Inventor
Shenzhen, CN

Overview

17→
Patents
2015–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 17 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 transducers75%
A61KPreparations for medical, dental or toiletry purposes5%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
C07DHeterocyclic compounds5%
G10KSound-producing devices5%
H04NPictorial communication, e.g. television5%
PatentTitleYear
11,102,477DC coefficient sign coding scheme202110,918,645Substituted tricyclic heterocyclic compounds and use thereof202110,149,027Speaker box201810,051,375Speaker box20189,843,857'Speaker box'20179,716,951'Acoustic diaphragm and speaker box'20179,706,309'Acoustic device'20179,706,310'Acoustic device'20179,686,614'Electro-acoustic device'20179,674,613'Speaker box'20179,510,087'Acoustic device'20169,426,594'Miniature speaker'20169,357,311'Miniature speaker'20169,338,535'Micro-speaker'20169,294,845'Miniature speaker'20169,258,631'Micro-speaker'20169,148,711'Micro-speaker'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2018Patents assigned to AAC TECHNOLOGIES PTE LTD (13)· patent assignee history
2015–2018Patents assigned to XU YUNXIA (13)· patent assignee history
2015–2017Patents assigned to CAI BIN (9)· patent assignee history
2015–2018Based in Shenzhen, CN· patent location history
2016Patents assigned to AAC ACOUSTIC TECH SHENZHEN CO (2)· patent assignee history
2016Patents assigned to SHAO YI (2)· patent assignee history
2021Based in Saratoga, CA, US· patent location history
2021Based in Jiangsu, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AAC TECHNOLOGIES PTE LTD132015–2018
XU YUNXIAself132015–2018
CAI BIN92015–2017
AAC ACOUSTIC TECH SHENZHEN CO22016
SHAO YI22016
Locations
LocationPatentsSpan
Shenzhen, CN152015–2018
Saratoga, California, US12021
Jiangsu, CN12021