Inventor

Jiyan Liu

Inventor
Roseville, MN, US

Overview

21→
Patents
1996–2014
Patent span
Human necessities
Primary field (CPC A)

Patents· 21 as inventor

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

A61Mprimary
A61MDevices for introducing media into, or onto, the body37%
A61BDiagnosis30%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests30%
LOC242%
Y10TTechnical subjects covered by former us classification2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1999Patents assigned to INVASATEC INC (4)· patent assignee history
1996–2011Based in Roseville, MN, US· patent location history
2000–2014Patents assigned to ACIST MEDICAL SYS INC (17)· patent assignee history
2003–2014Based in Maplewood, MN, US· patent location history
2011–2014Patents assigned to LIU JIYAN (2)· patent assignee history
2011–2014Patents assigned to WILSON ROBERT F (2)· patent assignee history
2011Patents assigned to ANDERSON KATHERINE H (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ACIST MEDICAL SYS INC172000–2014
INVASATEC INC41996–1999
LIU JIYANself22011–2014
WILSON ROBERT F22011–2014
ANDERSON KATHERINE H12011
Locations
LocationPatentsSpan
Roseville, Minnesota, US171996–2011
Maplewood, Minnesota, US42003–2014