TOSHIBA CERAMICS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 544
 
  
 
C30B SINGLE-CRYSTAL GROWTH 155
 
  
 
1303 EQUIPMENT FOR DISTRIBUTION OR CONTROL OF ELECTRIC POWER170

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D604257 Heater for semiconductor manufacturingApr 27, 06Nov 17, 09[1303]
5992711 Integrated submerged entry nozzle and its manufactureApr 22, 98Nov 30, 99[B22D]
5961874 Flat formed submerged entry nozzle for continuous casting of steelMar 23, 98Oct 05, 99[B22D]
5958279 Refractory slide-gate plateMay 28, 93Sep 28, 99[B22D]
5730892 Recycled slide gate plateDec 24, 96Mar 24, 98[B22D]
5529227 Sliding gate plateAug 09, 94Jun 25, 96[B22D]
5200157 Susceptor for vapor-growth depositionMar 14, 91Apr 06, 93[C30B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0238,859 Metal member-buried ceramics article and method of producing the sameAbandonedMar 10, 05Oct 27, 05[C04B, B32B]
2005/0215,057 Arsenic dopants for pulling of silicon single crystal, process for producing thereof and process for producing silicon single crystal using thereofAbandonedMar 22, 05Sep 29, 05[H01L]
2004/0227,200 Micro-chemical chip, method of manufacturing the same, and method of molding optical unitAbandonedMay 15, 03Nov 18, 04[H01L]
2004/0159,984 Sintered Y2O3 and the manufacturing method for the sameAbandonedFeb 17, 04Aug 19, 04[C04B, B28B]
2003/0201,587 Submerged nozzle for continuous thin-slab castingAbandonedApr 25, 03Oct 30, 03[C21B]
2003/0089,458 Wafer processing memberAbandonedJul 26, 02May 15, 03[C23C, C23F]
2003/0051,811 Plasma resistant memberAbandonedMar 29, 02Mar 20, 03[C23C, C23F]
2003/0052,428 Production method for ceramic porous materialAbandonedJul 01, 02Mar 20, 03[B29C]
2003/0029,375 Silicon single crystal wafer fabricating method and silicon single crystal waferAbandonedAug 05, 02Feb 13, 03[C30B]
2002/0175,452 Sliding gate plating structureAbandonedJan 17, 02Nov 28, 02[C21C, B67D]
2002/0022,885 BiomaterialAbandonedMay 15, 01Feb 21, 02[A61F]
2002/0009,868 Method of growing a thin film in gaseous phase and apparatus for growing a thin film in gaseous phase for use in said methodAbandonedMay 15, 01Jan 24, 02[B05C]
2001/0040,322 Immersion nozzleAbandonedMar 29, 01Nov 15, 01[B22D]
6025596 Method for measuring epitaxial film thickness of multilayer epitaxial waferExpiredFeb 05, 98Feb 15, 00[G01J]
6004393 Detecting method of impurity concentration in crystal, method for producing single crystal and apparatus for the pull-up of a single crystalExpiredJan 22, 99Dec 21, 99[C30B]
5972529 Material for sintering applianceExpiredApr 17, 98Oct 26, 99[B32B]
5856251 Castable refractory for slide gateExpiredJun 09, 97Jan 05, 99[C04B]
5817274 Method of manufacturing aluminum nitrideExpiredSep 04, 97Oct 06, 98[C04B]
5808745 Method for measuring a substitutional carbon concentrationExpiredMay 06, 97Sep 15, 98[G01J, G01N]
5700320 Growth of silicon single crystal having uniform impurity distribution along lengthwise or radial directionExpiredMar 22, 96Dec 23, 97[C30B]

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