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Inventor

Hsing J. Liu

Inventor
Edmonton, CA

Overview

3→
Patents
1990–1998
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof18%
A61KPreparations for medical, dental or toiletry purposes18%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%
C07JSteroids18%
G01NInvestigating or analysing materials by determining their chemical or physical properties18%
B41FPrinting machines or presses9%
PatentTitleYear
5,730,054'Mechanism for a coloring and inking device of a printer'19985,137,878'Composition and method for treatment of senile dementia'19924,966,893'Method for treatment of senile dementia'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1992Patents assigned to BENISHIN CHRISTINA G (2)· patent assignee history
1990–1992Patents assigned to LIU HSING J (2)· patent assignee history
1990–1992Patents assigned to PANG PETER K T (2)· patent assignee history
1990–1992Patents assigned to WANG LAWRENCE C H (2)· patent assignee history
1990–1992Based in Edmonton, CA· patent location history
1998Based in Su Chou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BENISHIN CHRISTINA G21990–1992
LIU HSING Jself21990–1992
PANG PETER K T21990–1992
WANG LAWRENCE C H21990–1992
Locations
LocationPatentsSpan
Edmonton, CA21990–1992
Su Chou, CN11998