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Inventor

Ningjie ZHENG

Inventor
CN

Overview

3→
Patents
2025
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 transducers60%
H04MTelephonic communication40%
PatentTitleYear
12,438,971Electronic device with a sound-emitting assembly202512,438,972Electronic device comprising display module and sounder202512,267,640Earphone2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to VIVO MOBILE COMMUNICATION CO LTD (3)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VIVO MOBILE COMMUNICATION CO LTD32025
Locations
LocationPatentsSpan
CN32025