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Inventor

Michael Huai Gu Chen

Inventor
Ann Arbor, MI, US

Overview

11→
Patents
1998–2009
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

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

C07Dprimary
C07DHeterocyclic compounds28%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations22%
LOC2822%
C07CAcyclic or carbocyclic compounds11%
A61FFilters implantable into blood vessels6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
D0596738'Vitamin tablet'20097,411,001'Oxygenated esters of 4-iodo phenylamino benzhydroxamic acids'2008D0556319'Vitamin tablet'2007D0555783'Vitamin tablet'2007D0553734'Vitamin tablet'20076,686,499'Method for making 2-(N-phenylamino)benzoic acids'20046,602,886'3-alkyl-3-phenyl-piperidines'20036,433,178'3-alkyl-3-phenyl-piperidines'20026,258,800'Prodrugs of benzofuranylethyl carbamate NK1 antagonists'20016,040,316'3-alkyl-3-phenyl-piperidines'20005,769,089'External nasal splint'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to HANOVER CORP (1)· patent assignee history
1998Based in Taipei, TW· patent location history
2000–2008Patents assigned to WARNER LAMBERT CO (6)· patent assignee history
2000–2008Based in Ann Arbor, MI, US· patent location history
2007–2009Patents assigned to ACCESS BUSINESS GROUP INT LLC (4)· patent assignee history
2007Based in Fullerton, CA, US· patent location history
2009Based in Pasadena, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WARNER LAMBERT CO62000–2008
ACCESS BUSINESS GROUP INT LLC42007–2009
HANOVER CORP11998
Locations
LocationPatentsSpan
Ann Arbor, MI, US62000–2008
Fullerton, California, US32007
Pasadena, California, US12009
Taipei, TW11998