Inventor

Qihua Xiao

Inventor
Beijing, CN

Overview

3→
Patents
2015–2020
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.

G06Fprimary
G06FElectric digital data processing33%
H01RElectrically-conductive connections17%
H04MTelephonic communication17%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers17%
H04SStereophonic systems17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to LENOVO SINGAPORE PTE LTD (1)· patent assignee history
2015Based in Xinyang, CN· patent location history
2019–2020Patents assigned to LENOVO BEIJING CO LTD (2)· patent assignee history
2019–2020Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LENOVO BEIJING CO LTD22019–2020
LENOVO SINGAPORE PTE LTD12015
Locations
LocationPatentsSpan
Beijing, CN22019–2020
Xinyang, CN12015