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Inventor

Wenjun Chang

Inventor
Beijing, CN

Overview

2→
Patents
2016–2019
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A01Kprimary
A01KAnimal husbandry33%
C12NMicroorganisms or enzymes33%
H04LTransmission of digital information, e.g. telegraphic communication33%
PatentTitleYear
10,374,925Method, apparatus, and system for measuring network delay20199,386,762'Cell line of renal sarcomatoid carcinoma in persons of Han nationality and preparation method thereof'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016Patents assigned to CAO GUANGWEN (1)· patent assignee history
2016Patents assigned to CHANG WENJUN (1)· patent assignee history
2016Patents assigned to GUAN WEI (1)· patent assignee history
2016Patents assigned to HAN YIFANG (1)· patent assignee history
2016Based in Shanghai, CN· patent location history
2019Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2019Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CAO GUANGWEN12016
CHANG WENJUNself12016
GUAN WEI12016
HAN YIFANG12016
HUAWEI TECH CO LTD12019
Locations
LocationPatentsSpan
Beijing, CN12019
Shanghai, CN12016