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Inventor

Zongchang Liu

Inventor
Shandong, CN

Overview

2→
Patents
2017–2019
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.

A61Bprimary
A61BDiagnosis100%
PatentTitleYear
10,398,457Laparoscopic gallbladder extraction device20199,693,790'Laparoscopic gallbladder extraction device'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2019Patents assigned to COVIDIEN LP (2)· patent assignee history
2017–2019Patents assigned to THE REGENTS OF THE UNIV OF MICHIGAN UNIV OF MICHIGAN (2)· patent assignee history
2017–2019Based in Shandong, CN· patent location history
2019Patents assigned to UNIV MICHIGAN REGENTS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COVIDIEN LP22017–2019
THE REGENTS OF THE UNIV OF MICHIGAN UNIV OF MICHIGAN22017–2019
UNIV MICHIGAN REGENTS12019
Locations
LocationPatentsSpan
Shandong, CN22017–2019