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Inventor

Yu Mei Dai

Inventor
Beijing, CN

Overview

3→
Patents
2019–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G06Kprimary
G06KGraphical data reading20%
G06TImage data processing or generation, in general20%
G06VImage or video recognition or understanding20%
H04NPictorial communication, e.g. television20%
G06FElectric digital data processing10%
H04LTransmission of digital information, e.g. telegraphic communication10%
PatentTitleYear
11,080,379User authentication202110,332,227Multiple source watermarking for surveillance201910,169,838Multiple source watermarking for surveillance2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2021Patents assigned to IBM (3)· patent assignee history
2019–2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM32019–2021
Locations
LocationPatentsSpan
Beijing, CN32019–2021