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Inventor

Xi Jun Ma

Inventor
Beijing, CN

Overview

5→
Patents
2009–2017
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G06Fprimary
G06FElectric digital data processing60%
G06TImage data processing or generation, in general20%
G10LSpeech analysis techniques or speech synthesis20%
PatentTitleYear
9,619,173'Updating synchronization progress'20179,547,456'Method and apparatus for efficient data copying and data migration'20178,443,281'Constructing a labeled treemap with balanced layout'20137,870,509'Method and apparatus for improving the visibility of a treemap'20117,590,540'Method and system for statistic-based distance definition in text-to-speech conversion'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2013Based in Beijing, CN· patent location history
2011–2013Patents assigned to IBM (2)· patent assignee history
2013Patents assigned to LIU SHI XIA (1)· patent assignee history
2013Patents assigned to LU HAO (1)· patent assignee history
2017Patents assigned to EMC CORP (2)· patent assignee history
2017Patents assigned to EMC IP HOLDING CO LLC (2)· patent assignee history
2017Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EMC CORP22017
EMC IP HOLDING CO LLC22017
IBM22011–2013
LIU SHI XIA12013
LU HAO12013
Locations
LocationPatentsSpan
Beijing, CN32009–2013
Shanghai, CN22017