DAIDO TOKUSHUKO KABUSHIKI KAISHA

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
C22C ALLOYS 2319
 
 
 
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 664
 
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 646
 
 
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 531
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4117
 
 
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 49
 
 
 
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 418
 
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 392
 
 
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 240
 
 
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 228

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
6,211,584 Magnet and a motor component having a coating with improved anticorrosion and insulationSep 03, 99Apr 03, 01[H02K]10
6,699,593 Corrosion-resistant metallic member, metallic separator for fuel cell comprising the same, and process for production thereofFeb 28, 02Mar 02, 04[B05D, B32B, H01M]9
6,378,760 Method for manufacturing joint of carbon steel pipes suitable for expansion and expanding methodAug 22, 00Apr 30, 02[B23K]9
6,337,459 Multi-layered anti-coking heat resisting metal tube and the method for manufacturing thereofApr 10, 00Jan 08, 02[B23K]9
5,244,517 Manufacturing titanium alloy component by beta formingNov 15, 91Sep 14, 93[C22C]8
5,260,589 Semiconductor device having reflecting layers made of varying unit semiconductorsOct 31, 91Nov 09, 93[H01L]7
6,943,318 Welding tip for arc welding and arc welding apparatusJun 11, 02Sep 13, 05[B23K]6
5,193,607 Method for precision casting of titanium or titanium alloyAug 26, 92Mar 16, 93[B22D]6
6,579,628 Multi-layered anti-coking heat resistant metal tube and method for manufacture thereofJun 11, 01Jun 17, 03[C10G, F16L, B23K]5
5,951,789 Heat resisting alloy for exhaust valve and method for producing the exhaust valveOct 22, 97Sep 14, 99[C21D, C22C]5

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]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
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]
7,800,474 Bond magnet for direct current reactor and direct current reactorFeb 18, 09Sep 21, 10[H01F]
7,730,755 Process of producing permanent magnet and permanent magnetAug 31, 07Jun 08, 10[B21C, B21D, H01F]
7,722,801 Vacuum carburizing apparatusAug 29, 07May 25, 10[C23C]
7,597,987 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 material and method of manufacturing the same, corrosion-resistant conductive component and method of manufacturing the same, and fuel cellAug 19, 03Oct 06, 09[B32B, H01M]

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Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Noda Toshiharu
Tajimi-shi, JP
22
Shimizu Tetsuya
Nagoya-shi, JP
20
Okabe Michio
Chita-shi, JP
16
Shimizu Takao
Nagoya, JP
15
Demukai Noboru
Gifu, JP
14
Ueta Shigeki
Nagoya-shi, JP
13
Nakamura Sadayuki
Chita, JP
11
Saito Akihiko
Nagoya-shi, JP
10
Tsuchiya Masaki
Yokkaichi, JP
10
Yahagi Shinichiro
Ohbu, JP
10