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Inventor

Wenlai Zhang

Inventor
Qingdao, CN

Overview

4→
Patents
2019–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing33%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers33%
A44BButtons, pins, buckles, slide fasteners, or the like17%
G02BOptical elements, systems or apparatus17%
PatentTitleYear
10,908,918Image erasing method and system202110,813,416Sliding-type locking buckle202010,645,483Head-mounted equipment202010,264,342Open headphone2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to QINGDAO GOERTEK TECH CO LTD (2)· patent assignee history
2019–2020Based in Qingdao, CN· patent location history
2020Patents assigned to GOERTEK TECH CO LTD (1)· patent assignee history
2021Patents assigned to GUANGZHOU SHIRUI ELECTRONICS CO LTD (1)· patent assignee history
2021Based in Guangzhou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QINGDAO GOERTEK TECH CO LTD22019–2020
GOERTEK TECH CO LTD12020
GUANGZHOU SHIRUI ELECTRONICS CO LTD12021
Locations
LocationPatentsSpan
Qingdao, CN32019–2020
Guangzhou, CN12021