Inventor

Yongzhao Cao

Inventor
Shanghai, CN

Overview

8→
Patents
2020–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H04Wprimary
H04WWireless communication networks26%
H04LTransmission of digital information, e.g. telegraphic communication17%
G06FElectric digital data processing9%
H04BTransmission9%
G10LSpeech analysis techniques or speech synthesis4%
H02JElectric power networks4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
H04JMultiplex communication4%
H04NPictorial communication, e.g. television4%
H05KPrinted circuits4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to HUAWEI TECH CO LTD (6)· patent assignee history
2020Based in Shanghai, CN· patent location history
2021Patents assigned to BAIDU USA LLC (1)· patent assignee history
2021Patents assigned to Baidu online network technology beijing co ltd (1)· patent assignee history
2021Patents assigned to SHANGHAI XIAODU TECH CO LTD (1)· patent assignee history
2021Based in Beijing, CN· patent location history
2021Based in Sunnyvale, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAWEI TECH CO LTD62020
BAIDU USA LLC12021
Baidu online network technology beijing co ltd12021
SHANGHAI XIAODU TECH CO LTD12021
Locations
LocationPatentsSpan
Shanghai, CN62020
Beijing, CN12021
Sunnyvale, California, US12021