Otsuka Kagaku Kabushiki Kaisha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07D HETEROCYCLIC COMPOUNDS 4158
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
A41G ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS110
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
C07B GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR 116
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7955472 Interior construction material having deodorizing activityAug 19, 09Jun 07, 11[D21H, B32B]
7604853 Building material for interiors having odor elilinating property and interior structure of building using the sameOct 09, 01Oct 20, 09[B32B]
6713164 Printing sheetsDec 10, 99Mar 30, 04[H01B, B32B]
6632891 Flame-retardant resin, composition thereof, and process for producing the sameSep 13, 00Oct 14, 03[C08G, C08L]
6576761 Process for the preparation of cephem compoundsFeb 07, 02Jun 10, 03[C07D]
6523527 Canister structure installed in an automobileAug 31, 00Feb 25, 03[F02M]
6448393 Process for producing 3-cephem compoundsApr 14, 00Sep 10, 02[C07D]
6420554 Process for preparation of 3-cephem compoundFeb 29, 00Jul 16, 02[C07D]
6399770 Preparation of .beta.-hydroxy esters using ammonium borohydridesJun 06, 00Jun 04, 02[C07D, C07B]
5601886 Artificial turfJun 05, 95Feb 11, 97[A41G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7368123 Pesticidal resin compositions and pesticidal products formed from the sameExpiredJan 14, 00May 06, 08[A01N]
7183421 Processes for producing oxide with higher oxidation than alcoholExpiredAug 11, 04Feb 27, 07[C07D]
6887992 3-cephem derivative crystalExpiredOct 07, 03May 03, 05[C07D]
6797750 Flame-retardant epoxy resin composition, molded article thereof, and electronic partExpiredNov 07, 02Sep 28, 04[C08L, C08K]
6797830 Process for producing oxide with higher oxidation than alcoholExpiredNov 28, 01Sep 28, 04[C07D, C07C]
6787192 Process for producing part made of magnesium and/or magnesium alloyExpiredFeb 06, 03Sep 07, 04[B05D]
6703438 Electroconductive plate-like titania and electroconductive compositionExpiredSep 25, 01Mar 09, 04[C08K]
2003/0166,812 Flame retardant, flame-retardant resin composition, molded object, and electronic partAbandonedApr 14, 03Sep 04, 03[C08F]
6569264 Surface-treating agent for magnesium-based part and method of surface treatmentExpiredJul 03, 01May 27, 03[C23C]
6541111 Process for producing boron nitrideExpiredSep 27, 01Apr 01, 03[C01B, B32B]
6503967 Hardener for epoxy resin and epoxy resin compositionExpiredJun 18, 01Jan 07, 03[C08L, C08K]
6433042 Curing agents for epoxy resinsExpiredFeb 05, 01Aug 13, 02[C08L, C08K]
6417351 Process for producing 3-alkenylcephem compoundsExpiredDec 01, 99Jul 09, 02[C07D]
6403789 Method of halogenating hydroxyl groupExpiredSep 26, 00Jun 11, 02[C07C]
6372825 Aqueous solution of water-soluble epoxy resin, solid obtained therefrom, and processes for producing theseExpiredMay 09, 00Apr 16, 02[C08L, C08K]
6359036 1-Aminopyrrolidine or its salt as epoxy resin hardenerExpiredDec 01, 99Mar 19, 02[C08G, C08K]
6355601 Friction materialExpiredOct 11, 00Mar 12, 02[C09K, F16D]
6339152 Process for producing exo-methylenepenam compoundsExpiredSep 07, 99Jan 15, 02[C07D]
6333107 Fine electrically conductive fiber, and resin composition and conductive yarn comprising the sameExpiredAug 18, 00Dec 25, 01[D01F]
6319602 Boron nitride and process for preparing the sameExpiredFeb 05, 99Nov 20, 01[C01B, B32B]

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