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Inventor

Shi Ruiwen

Inventor
Shenzhen, CN

Overview

9→
Patents
2019–2021
Patent span
LOC
Primary field

Patents· 9 as inventor

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

LOC14primary
LOC1489%
LOC1311%
PatentTitleYear
D0909965Portable charger2021D0893457Audio input/output device2020D0875709Earphone2020D0873248Pair of earphones2020D0871367Headphone2019D0869434Sport earphone2019D0869435Sport earphone2019D0869436Headphone2019D0859406Virtual reality headset2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2021Patents assigned to Shenzhen grandsun electronic co ltd (9)· patent assignee history
2019–2021Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
Shenzhen grandsun electronic co ltd92019–2021
Locations
LocationPatentsSpan
Shenzhen, CN92019–2021