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Inventor

Zheng Chu

Inventor
Shangai, CN

Overview

2→
Patents
2009–2019
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C07CAcyclic or carbocyclic compounds20%
G06FElectric digital data processing20%
G06KGraphical data reading20%
G06VImage or video recognition or understanding20%
PatentTitleYear
10,261,987Pre-processing E-book in scanned format20197,622,416'Hydrogenation catalyst, its preparation and use'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to CHINA PETROCHEMICAL CORP (1)· patent assignee history
2009Patents assigned to NANJING CHEM IND CO RES INST (1)· patent assignee history
2009Based in Jiangsu, CN· patent location history
2019Patents assigned to IBM (1)· patent assignee history
2019Based in Shangai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA PETROCHEMICAL CORP12009
IBM12019
NANJING CHEM IND CO RES INST12009
Locations
LocationPatentsSpan
Shangai, CN12019
Jiangsu, CN12009