Takenaka Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 542
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 426
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 365
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 221
 
  
 
A62C FIRE-FIGHTING 126
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
C22C ALLOYS 171
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 150

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8893439 BuildingFeb 28, 13Nov 25, 14[A62C, E04B, E04F, E04H]
5970666 Large-scale high strength seismic isolatorDec 05, 97Oct 26, 99[E04B, E02D, E04H]
5643436 Architectural material using metal oxide exhibiting photocatalytic activityJun 07, 95Jul 01, 97[C23C, C25D, C22C]
5595813 Architectural material using metal oxide exhibiting photocatalytic activitySep 15, 93Jan 21, 97[B32B]
5584927 Hydraulic substance with water stable particle coatingJul 27, 94Dec 17, 96[C04B]
5466289 Ultra high-strength hydraulic cement compositionsSep 17, 93Nov 14, 95[C04B]
5347772 Vibration suppressing structureJun 11, 93Sep 20, 94[E04B]
5308891 Cement based heat insulator, method of making same and structure having sameSep 07, 93May 03, 94[C08J]
5283125 Dew condensation preventing structureDec 13, 91Feb 01, 94[B32B]
5265387 Vibration suppressing structureMay 13, 92Nov 30, 93[E04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8531185 Magnetic shield body and magnetic shielded roomExpiredNov 11, 08Sep 10, 13[G01R]
2009/0152,430 BraceAbandonedAug 02, 06Jun 18, 09[F16M]
7492911 Noise reducing deviceExpiredMay 14, 04Feb 17, 09[A61F, H04R, H04B]
2009/0041,258 Noise reduction apparatusAbandonedNov 12, 04Feb 12, 09[G10K]
2008/0071,136 Method and Apparatus for Environmental Setting and Data for Environmental SettingAbandonedSep 21, 04Mar 20, 08[A61M]
7254923 Prefixed advertisement structure integrated with glass sash wall of buildingExpiredSep 13, 01Aug 14, 07[E04H]
7160049 Paving material for absorbing electromagnetic wave and pavement structure using itExpiredSep 28, 01Jan 09, 07[E01C]
7144376 Liable cardiac muscle diagnosing apparatus and liable cardiac muscle analyzing method by magnetic field measurementsExpiredJul 17, 01Dec 05, 06[A61B]
7123952 Cardiac magnetic field diagnozer for atrial flutter and atrial fibrillation and method for identifying electric turning path of atrial flutter and atrial fibrillationExpiredJul 17, 01Oct 17, 06[A61B]
6941165 Cardiac magnetic field diagnosing apparatus by late ventricular potential and method of locating intramyocardial excitement uneven propagation portionExpiredJul 17, 01Sep 06, 05[0000]
6504501 Radio wave absorbing panelExpiredDec 21, 00Jan 07, 03[H01Q]
6454286 Traveling device for smooth and stable movement on uneven and inclined surfacesExpiredJul 23, 01Sep 24, 02[A61G]
6434255 Hand pointing apparatusExpiredOct 23, 98Aug 13, 02[G06K]
6385331 Hand pointing deviceExpiredMar 18, 98May 07, 02[G06K]
6245434 Radio wave absorber composition, radio wave absorber member, radio wave absorber, and method for producing radio wave absorber memberExpiredDec 11, 98Jun 12, 01[B32B]
6195034 Radio wave absorbing panelExpiredJun 04, 99Feb 27, 01[H01Q]
6106955 Metal material having photocatalytic activity and method of manufacturing the sameExpiredJan 12, 98Aug 22, 00[C07G, C09C, B32B]
5976666 Electromagnetic radiation absorbing devices and associated methods of manufacture and useExpiredAug 29, 94Nov 02, 99[H01Q, B32B]
5932054 Radio wave absorber composition, radio wave absorber member, radio wave absorber, and method for producing radio wave absorber memberExpiredJun 22, 95Aug 03, 99[B29B]
5855663 Carbon fibers for reinforcement of cement and cement composite materialExpiredJun 16, 97Jan 05, 99[C04B]

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