DAIDO TOKUSHUKO KABUSHIKI KAISHA

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
 
C22C ALLOYS 2829
 
 
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 535
 
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 564
 
 
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 477
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4146
 
 
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 410
 
 
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 424
 
 
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 346
 
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 3129
 
 
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 294

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2011/0284,076 CONCENTRATOR PHOTOVOLTAIC DEVICEMay 18, 11Nov 24, 11[H01L]
2011/0236,247 HEAT RESISTANT STEEL FOR EXHAUST VALVEMar 24, 11Sep 29, 11[C22C]
2011/0175,606 THIN-FILM MAGNETIC SENSOR AND METHOD FOR MANUFACTURING THE SAMEDec 28, 10Jul 21, 11[G01R, B05D]
2010/0294,978 METAL/INSULATOR NANOGRANULAR MATERIAL AND THIN-FILM MAGNETIC SENSORMay 18, 10Nov 25, 10[G01R, H01F]
2010/0272,593 HIGH CORROSION-RESISTANT, HIGH-STRENGTH AND NON-MAGNETIC STAINLESS STEEL, HIGH CORROSION-RESISTANT, HIGH-STRENGTH AND NON-MAGNETIC STAINLESS STEEL PRODUCT AND METHOD FOR PRODUCING THE SAMEApr 23, 10Oct 28, 10[B21D, C22C]
2010/0139,813 TWO-WAY SHAPE-RECOVERY ALLOYDec 03, 09Jun 10, 10[C22C]
2010/0068,669 CONTINUOUS HEAT TREATMENT FURNACESep 15, 09Mar 18, 10[F27D]
2010/0003,156 RARE EARTH MAGNET AND PRODUCTION PROCESS THEREOFJun 30, 09Jan 07, 10[B22F, C22C]
2009/0206,973 BOND MAGNET FOR DIRECT CURRENT REACTOR AND DIRECT CURRENT REACTORFeb 18, 09Aug 20, 09[H01F]
2009/0165,595 Hard-particle powder for sintered body and sintered bodyDec 19, 08Jul 02, 09[B22F, C22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,748,737 Concentrator photovoltaic deviceMay 18, 11Jun 10, 14[H01L]
8,696,836 Nonmagnetic high-hardness alloyMar 02, 06Apr 15, 14[C22C, C22F]
8,512,486 Beta-type titanium alloy and product thereofApr 03, 07Aug 20, 13[C22C]
8,491,838 Low thermal expansion Ni-base superalloyJun 12, 07Jul 23, 13[C22C]
8,133,632 Metal component for fuel cell and method of manufacturing the same, austenitic stainless steel for polymer electrolyte fuel cell and metal component for fuel cell using the same, polymer electrolyte fuel cell material and method of manufacturing the same, corrosion-resistant conductive component and method of manufacturing the same, and fuel cellOct 05, 09Mar 13, 12[B32B, H01M]
8,012,272 Tool steels and manufacturing method thereofOct 30, 08Sep 06, 11[C21D, C22C]
8,002,906 Rare earth magnet and production process thereofJun 30, 09Aug 23, 11[H01F]
7,914,732 Ferritic stainless steel cast iron, cast part using the ferritic stainless steel cast iron, and process for producing the cast partFeb 23, 07Mar 29, 11[C22C]
7,867,315 Hard-particle powder for sintered body and sintered bodyDec 19, 08Jan 11, 11[B22F]
7,852,269 Ultrawideband communication antennaAug 06, 07Dec 14, 10[H01Q]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2011/0236,247 HEAT RESISTANT STEEL FOR EXHAUST VALVEMar 24, 11Sep 29, 11[C22C]
2010/0294,978 METAL/INSULATOR NANOGRANULAR MATERIAL AND THIN-FILM MAGNETIC SENSORMay 18, 10Nov 25, 10[G01R, H01F]
7,800,474 Bond magnet for direct current reactor and direct current reactorFeb 18, 09Sep 21, 10[H01F]
2010/0139,813 TWO-WAY SHAPE-RECOVERY ALLOYDec 03, 09Jun 10, 10[C22C]
7,722,801 Vacuum carburizing apparatusAug 29, 07May 25, 10[C23C]
2010/0068,669 CONTINUOUS HEAT TREATMENT FURNACESep 15, 09Mar 18, 10[F27D]
2009/0136,824 Metallic bipolar plate for fuel cells and method for manufacturing the sameNov 26, 08May 28, 09[H01M]
2009/0074,606 Low density titanium alloy, golf club head, and process for prouducing low density titanium alloy partSep 12, 08Mar 19, 09[C22C]
7,494,618 Alloy tool steelDec 07, 04Feb 24, 09[C22C]
2008/0264,526 Hot working die steel for die-castingApr 27, 07Oct 30, 08[C22C]
2008/0240,970 Austenitic free-cutting stainless steelMar 31, 08Oct 02, 08[C21D, C22C]
7,381,369 Free cutting alloyMay 18, 04Jun 03, 08[C22C]
2008/0089,804 Martensitic free cutting stainless steelOct 02, 07Apr 17, 08[C22C]
2008/0038,619 Metallic bipolar plate for fuel cells,and fuel cell comprising the sameAug 06, 07Feb 14, 08[H01M]
2007/0295,384 Light converging-type solar photovoltaic apparatusJun 15, 07Dec 27, 07[H01L]
7,297,214 Free cutting alloyMay 18, 04Nov 20, 07[C22C]
2007/0221,298 Ni-based super alloyMar 20, 07Sep 27, 07[C22C]
2007/0193,710 Process for producing ingotApr 12, 07Aug 23, 07[B22D]
7,026,576 Welding wire and welding method using the wireJun 16, 03Apr 11, 06[B23K]
2006/0034,724 High-nitrogen austenitic stainless steelAug 11, 05Feb 16, 06[C22C]

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