Daiichi Seiyaku Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07D HETEROCYCLIC COMPOUNDS 4158
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5476950 Intermediates for pyridonecarboxylic acid derivativesMar 20, 95Dec 19, 95[C07D]
5416222 3-pyrrolidine methanamines wherein the alpha-carbon is substituted by 1 or 2 lower alkyl groups which are intermediates for pyridone-carboxylic acid derivativesDec 24, 91May 16, 95[C07D]
5380874 Intermediates for pyridonecarboxylic acid derivativesMar 04, 94Jan 10, 95[C07D]
5312999 Propoxybenzene derivatives and process for preparing the sameMar 02, 92May 17, 94[C07C]
5286723 Spiro compoundJun 22, 92Feb 15, 94[A61K, C07D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5646013 Method of producing foreign gene productsExpiredJun 28, 95Jul 08, 97[C12P, C12N]
5098912 Pyridonecarboxylic acid derivativesExpiredDec 12, 89Mar 24, 92[A61K, C07D]
5053407 Optically active pyridobenzoxazine derivatives and anti-microbial useExpiredJun 20, 86Oct 01, 91[A61K, C07D]
5019499 Method of producing peptides by transforming myeloma cells with a recombinant plasmidExpiredApr 14, 87May 28, 91[C12N]
5006647 Phosphorus containing disaccharide derivativesExpiredMar 02, 88Apr 09, 91[C07H, C07G]
4985557 Optically active pyridobenzoxazine derivatives and intermediates thereofExpiredMar 23, 89Jan 15, 91[C07D]
4985595 Aminobenzamide derivativesExpiredDec 01, 88Jan 15, 91[A61K, C07C]
4983725 Mannobiose derivativesExpiredMar 31, 88Jan 08, 91[C07H]
4962202 Mercapto-bicycloheterocyclics useful as intermediates for penem derivativesExpiredJan 11, 88Oct 09, 90[C07D]
4960595 Lipid membrane structuresExpiredNov 16, 87Oct 02, 90[A61J, A61K, B32B]
4942171 The compound, 6-(1-imidazolyl methyl)-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid and salts thereof having antidiabetic activityExpiredJul 06, 88Jul 17, 90[A61K, C07D]
4937266 Inhibitory agent of hepatic fibrosisExpiredJan 03, 89Jun 26, 90[A61K]
4935368 Process for producing tissue plasminogen activatorExpiredJun 27, 86Jun 19, 90[C12N]
4933349 Treating agent for heart failureExpiredJun 28, 88Jun 12, 90[A61K]
4923862 Topical preparation containing ofloxacinExpiredDec 17, 87May 08, 90[A61K]
4900815 Sulfated polysaccharide DS4152ExpiredMay 20, 87Feb 13, 90[A61K, C08B]
4898943 Tricyclic triazolopyrimidine derivativesExpiredFeb 08, 88Feb 06, 90[A61K, C07D]
4895944 Benzoxazine intermediatesExpiredDec 28, 87Jan 23, 90[C07D]
4880926 Optical resolution of benzoxazinesExpiredAug 03, 88Nov 14, 89[C07D]
4874772 Antiasthmatic agentExpiredApr 27, 88Oct 17, 89[A61K]

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