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Inventor

Zhanchuan Cai

Inventor
Macau, CN

Overview

2→
Patents
1991–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B03Cprimary
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids33%
G06FElectric digital data processing33%
H04LTransmission of digital information, e.g. telegraphic communication33%
PatentTitleYear
10,985,906Method and system for secure encryption20215,055,117'Air filtering apparatus'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to UNIV TSINGHUA (1)· patent assignee history
1991Based in Beijing, CN· patent location history
2021Patents assigned to UNIV MACAU SCI & TECH (1)· patent assignee history
2021Based in Macau, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV MACAU SCI & TECH12021
UNIV TSINGHUA11991
Locations
LocationPatentsSpan
Macau, CN12021
Beijing, CN11991