KAJIMA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 320
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION257
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
B28C PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER 114
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 129

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9403682 Method for producing nanocarbon and catalytic reaction device for producing nanocarbonNov 03, 08Aug 02, 16[C01B, B82Y, B01J]
8470406 Method of spray application, and spray apparatus, for bentonite materialAug 10, 06Jun 25, 13[B05D]
8066422 Material moisture content adjustment methodMar 27, 06Nov 29, 11[C09K, G21F, B28C, B01F]
7947245 Method for producing nanocarbon and catalytic reaction device for producing nanocarbonMar 20, 06May 24, 11[C01B, D01C, C09C, B01J]
7670425 Ultra high strength fiber-reinforced cement composition, ultra high strength fiber-reinforced mortar or concrete and ultra high strength cement additivesMar 30, 06Mar 02, 10[C04B]
7493954 Systems and methods for installation, design and operation of groundwater monitoring systems in boreholesJul 08, 05Feb 24, 09[E21B]
7287934 Stratum disposal monitoring systemMay 01, 02Oct 30, 07[G21F]
7234574 Damping coefficient switching-type hydraulic damperJun 13, 06Jun 26, 07[F16F]
7143875 Attenuation coefficient switching type hydraulic damperFeb 05, 03Dec 05, 06[F16F]
5644928 Air refrigerant ice forming equipmentOct 03, 96Jul 08, 97[F25B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8426045 Internal-resistance measuring device for response-delay type fuel cellExpiredOct 29, 08Apr 23, 13[H01M]
2012/0003,504 MICROBIAL FUEL CELL AND MEMBRANE CASSETTE FOR MICROBIAL FUEL CELLSAbandonedOct 15, 08Jan 05, 12[H01M]
7501588 Magnetic shielding door and magnetic shielding roomExpiredOct 18, 05Mar 10, 09[H05K]
7280877 Facility control monitor method and facility control monitor apparatusExpiredApr 08, 04Oct 09, 07[G05B]
7130775 Integrated building production information systemExpiredNov 05, 02Oct 31, 06[G06F]
2006/0144,299 Method for reducing autogeneous shrinkage of super high strength concreteAbandonedJun 29, 04Jul 06, 06[C04B]
7063657 Method of constructing underground gallery by using pneumatic transfer system and stratum disposal methodExpiredNov 08, 02Jun 20, 06[E21D]
6745528 Stainless-steel floor and method of constructing the stainless-steel floorExpiredJun 07, 02Jun 08, 04[E06B, E04B]
6701281 Method and apparatus for analyzing building performanceExpiredJul 13, 01Mar 02, 04[G06F]
2003/0029,111 Joint structure of steel plate concrete structureAbandonedJul 25, 02Feb 13, 03[E04B]
2003/0024,176 Reactor building of steel concrete constructionAbandonedJul 16, 02Feb 06, 03[E02D]
6123777 Method for cleaning structural surfaceExpiredMar 12, 98Sep 26, 00[B08B]
6101698 Arrangement for sealing a closed production systemExpiredApr 21, 97Aug 15, 00[B23P]
5987770 Steam recompression type vacuum drying apparatusExpiredJul 21, 97Nov 23, 99[F26B]
5979126 Seismic response control method for structureExpiredJun 02, 97Nov 09, 99[E04B, E04H]
5823008 Cold air supply unitExpiredJul 19, 96Oct 20, 98[F25D]
5803668 Method of constructing gravity-type marine structure and structure by sameExpiredSep 03, 96Sep 08, 98[E02B]
5798011 Method of making window frame for concrete wall panelExpiredAug 09, 96Aug 25, 98[E06B]
5779811 Method for peeling off dirt from wall surface by using peelable polymer membraneExpiredJul 26, 96Jul 14, 98[B08B]
5689919 Base isolated building of wind resisting typeExpiredSep 09, 96Nov 25, 97[E04H]

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