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Inventor

Keiko Takahashi

Inventor
Ibaraki, JP

Overview

25→
Patents
1986–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 25 as inventor

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

C07Dprimary
C07DHeterocyclic compounds45%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations34%
A61KPreparations for medical, dental or toiletry purposes19%
C07BGeneral methods of organic chemistry2%
PatentTitleYear
8,377,938'Phenoxypyridine derivative salts and crystals thereof, and process for preparing the same'20138,288,538'Pyridine derivatives and pyrimidine derivatives (3)'20127,855,290'Pyridine derivatives and pyrimidine derivatives (3)'20107,834,049'Integrin expression inhibitor'20107,754,894'Crystalline sulfonamide-containing indole compound and process for preparing the same'20107,612,092'Nitrogen-containing aromatic derivatives'20097,531,532'Pyridine derivative and pyrimidine derivative'20097,468,380'Nitrogen-containing aromatic derivatives'20087,253,286'Nitrogen-containing aromatic derivatives'20077,109,219'Nitrogen-containing aromatic derivatives'20067,071,201'Quinoline derivatives'20066,875,761'Certain 1,3-disubstituted isoquinoline derivatives'20056,790,844'Certain 1,3-disubstituted isoquinoline derivatives'20046,787,534'Sulfonamide-containing heterocyclic compounds'20046,673,787'Sulfonamide-containing indole compounds'20046,638,964'Sulfonamide-containing indole compounds'20036,579,881'Indoles'20036,469,043'Sulfonamide-containing indole compounds'20026,448,243'1,4-substituted cyclic amine derivatives'20026,340,759'Fused pyridine derivatives'20025,672,712'Thiazoline derivatives'19975,478,945'Thiazoline derivatives'19954,794,115'Method of treating hyperlipemia'19884,704,393'1-substituted 5-fluorouracil useful for inhibiting the aggregation of platelets'19874,619,938'Fatty acid derivatives of aminoalkyl nicotinic acid esters and platelet aggregation inhibitors'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1988Patents assigned to TERUMO CORP (3)· patent assignee history
1986–1997Based in Tokyo, JP· patent location history
1988Based in Tsuchiura, JP· patent location history
2002–2007Patents assigned to EISAI CO LTD (12)· patent assignee history
2002–2010Based in Ibaraki, JP· patent location history
2006–2009Based in Ushiku, JP· patent location history
2008–2013Patents assigned to EISAI R&D MAN CO LTD (8)· patent assignee history
2009–2013Based in Tsukuba, JP· patent location history
2012–2013Patents assigned to MATSUSHIMA TOMOHIRO (2)· patent assignee history
2012–2013Patents assigned to SHIROTORI SHUJI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EISAI CO LTD122002–2007
EISAI R&D MAN CO LTD82008–2013
TERUMO CORP31986–1988
MATSUSHIMA TOMOHIRO22012–2013
SHIROTORI SHUJI22012–2013
Locations
LocationPatentsSpan
Ibaraki, JP112002–2010
Tsukuba, JP52009–2013
Ushiku, JP42006–2009
Tokyo, JP41986–1997
Tsuchiura, JP11988