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Inventor

Qifeng Yu

Inventor
Shanghai, CN

Overview

2→
Patents
2015–2020
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.

A61Fprimary
A61FFilters implantable into blood vessels100%
PatentTitleYear
10,842,621Artificial cardiac valve20209,095,431'Invasive cardiac valve'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to LIU XIANG (1)· patent assignee history
2015Patents assigned to LUO QIYI (1)· patent assignee history
2015Patents assigned to SHANGHAI MICROPORT MEDICAL GROUP CO LTD (1)· patent assignee history
2015Patents assigned to WANG YUNLEI (1)· patent assignee history
2015–2020Based in Shanghai, CN· patent location history
2020Patents assigned to SHANGHAI NEWMED MEDICAL CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LIU XIANG12015
LUO QIYI12015
SHANGHAI MICROPORT MEDICAL GROUP CO LTD12015
SHANGHAI NEWMED MEDICAL CO LTD12020
WANG YUNLEI12015
Locations
LocationPatentsSpan
Shanghai, CN22015–2020