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Inventor

Min Sun Chang

Inventor
Xi'an, CN

Overview

3→
Patents
2003–2021
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.

C07Dprimary
C07DHeterocyclic compounds50%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations33%
A61KPreparations for medical, dental or toiletry purposes17%
PatentTitleYear
11,001,597Methods of inhibiting leukotriene, treating asthma and treating inflammation20216,844,436'Preparing pyrazolopyrimidinone derivatives for the treatment of impotence'20056,583,147'Pyrazolopyrimidinone derivatives for the treatment of impotence'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2005Patents assigned to DONG A PHARM CO LTD (2)· patent assignee history
2003Based in Kyungki-do, KR· patent location history
2005Based in Yongin-si, KR· patent location history
2021Patents assigned to XIAN TAIKOMED PHARMACEUTICAL TECH CO LTD (1)· patent assignee history
2021Based in Xi'an, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DONG A PHARM CO LTD22003–2005
XIAN TAIKOMED PHARMACEUTICAL TECH CO LTD12021
Locations
LocationPatentsSpan
Xi'an, CN12021
Yongin-si, KR12005
Kyungki-do, KR12003