SUMITOMO SPECIAL METALS CO., LTD.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 2460
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 1157
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM9148
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 9150
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 872
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 5133
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 448
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4358
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 348
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 285

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6734126 Dielectric ceramic composition for microwave useJul 25, 02May 11, 04[C04B]
6706124 Permanent magnet including multiple ferromagnetic phases and method of producing the magnetMay 24, 01Mar 16, 04[C04B, H01F]
6695929 Method of making material alloy for iron-based rare earth magnetAug 05, 02Feb 24, 04[H01F]
6650214 Magnetic field generator for MRI, method for assembling the same, and method for assembling a magnet unit for the sameMar 23, 01Nov 18, 03[H01F]
6642826 Magnetic field generator and assembling method thereofAug 03, 01Nov 04, 03[H01F]
6634089 Method for dismantling a magnetic field generatorJul 13, 00Oct 21, 03[H01F]
6630084 Method of making ferrite material powder by spray pyrolysis process and method of producing ferrite magnetOct 06, 00Oct 07, 03[B29B]
6585831 Method of making iron base magnetic material alloy powderDec 21, 00Jul 01, 03[H01F]
6532132 Methods for marking a sintered product and for fabricating magnetic head substrateJul 17, 02Mar 11, 03[G11B]
6478889 Iron-base alloy permanent magnet powder and method for producing the sameDec 13, 00Nov 12, 02[H01F]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6715198 Method of manufacturing a magnetic sensorExpiredMar 14, 02Apr 06, 04[G01K]
6677229 Solder bump transfer sheet, method for producing the same, and methods for fabricating semiconductor device and printed boardExpiredOct 17, 01Jan 13, 04[H01L]
6653548 Thermoelectric conversion material, method for manufacturing same, and thermoelectric conversion elementExpiredOct 10, 01Nov 25, 03[H01L]
6605371 Brazing alloy for stainless steel, structure braze-assembled with the brazing alloy, and brazing material for stainless steelExpiredMay 22, 00Aug 12, 03[B32B, C22C]
6525260 Thermoelectric conversion material, and method for manufacturing sameExpiredAug 17, 01Feb 25, 03[H01L]
6506321 Silicon based conductive material and process for production thereofExpiredJun 08, 00Jan 14, 03[A01L, H01B]
6449123 Methods for marking a sintered product and for fabricating magnetic head substrateExpiredJul 21, 00Sep 10, 02[G11B]
6444049 Method for producing high silicon steel, and silicon steelExpiredMar 21, 00Sep 03, 02[H01F]
6423369 Process for sealing pores in molded product, and bonded magnet with pores sealed by the processExpiredApr 21, 00Jul 23, 02[B05D, H01F]
6413896 Method for producing dielectric porcelain composition for electronic deviceExpiredDec 06, 00Jul 02, 02[C04B]
6411464 Magnetic head including sliding member having bearing surface formed of protrusions with almost flat tipsExpiredMar 15, 00Jun 25, 02[G11B]
6380735 Orthogonal flux-gate type magnetic sensorExpiredApr 26, 00Apr 30, 02[G01R]
6331498 Dielectric porcelain composition for electronic devicesExpiredJun 23, 00Dec 18, 01[C04B]
6277275 Apparatus for magnetic treatment of fluidExpiredNov 02, 99Aug 21, 01[B01D]
6242709 Method for manufacturing conductive wafers, method for manufacturing thin-plate sintered compacts, method for manufacturing ceramic substrates for thin-film magnetic head, and method for machining conductive wafersExpiredJan 13, 99Jun 05, 01[B23H]
6176762 Method of cutting a ceramic base plateExpiredJul 27, 98Jan 23, 01[B24B]
6176769 Ceramics dress substrate and method of using the dress substrateExpiredDec 22, 98Jan 23, 01[B24B]
6123898 Low heat expansion alloyExpiredMay 25, 99Sep 26, 00[C22C]
6111491 Magnetic screwExpiredAug 05, 99Aug 29, 00[H01F]
6060804 Vibration generating mechanismExpiredJun 16, 98May 09, 00[H02K]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.