Inventor

RUIWEN SHI

Inventor
CN

Overview

15→
Patents
2021–2026
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

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

LOC14primary
LOC1431%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers19%
G10LSpeech analysis techniques or speech synthesis12%
H04WWireless communication networks12%
G06FElectric digital data processing8%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock4%
H01FMagnets4%
H04NPictorial communication, e.g. television4%
LOC134%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to Shenzhen grandsun electronic co ltd (12)· patent assignee history
2021–2026Based in CN· patent location history
2023Patents assigned to SHENZHEN GRANDSUN IND DESIGN CO LTD (2)· patent assignee history
2024–2026Patents assigned to SHENZHEN CITY FLYCO FLUTE SYSTEM DEV CO LTD (2)· patent assignee history
2024Patents assigned to SHENZHEN GRANDSUN ELECTRONIC CO (1)· patent assignee history
2024Patents assigned to SHENZHEN GRANDSUN ELECTRONIC CO INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
Shenzhen grandsun electronic co ltd122021–2025
SHENZHEN CITY FLYCO FLUTE SYSTEM DEV CO LTD22024–2026
SHENZHEN GRANDSUN IND DESIGN CO LTD22023
SHENZHEN GRANDSUN ELECTRONIC CO12024
SHENZHEN GRANDSUN ELECTRONIC CO INC12024
Locations
LocationPatentsSpan
CN152021–2026