JAPAN SUPER QUARTZ CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C03B MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL 3021
 
  
 
C30B SINGLE-CRYSTAL GROWTH 3027
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 365
 
  
 
B44C PRODUCING DECORATIVE EFFECTS 232
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
H01S DEVICES USING STIMULATED EMISSION290
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2109
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9469560 Method of manufacturing vitreous silica crucible, vitreous silica crucibleNov 30, 11Oct 18, 16[C03B, C30B]
9260795 Closure for silica glass crucible, silica glass crucible and method of handling the sameSep 14, 12Feb 16, 16[C30B]
9187357 Vitreous silica crucible having outer, intermediate, and inner layersJul 28, 10Nov 17, 15[C03B, C30B]
9150447 Silica crucible for pulling silicon single crystal and method of producing the sameMar 02, 09Oct 06, 15[C03C, C03B, C30B]
9085480 Method of manufacturing vitreous silica crucibleDec 27, 11Jul 21, 15[C03B]
8980004 Crucible and method for pulling a single crystalJan 22, 10Mar 17, 15[C30B]
8951346 Silica glass crucible for pulling up silicon single crystal and method for manufacturing thereofDec 08, 09Feb 10, 15[C03B, C30B]
8936684 Vitreous silica crucibleNov 30, 11Jan 20, 15[C03B, C30B]
8936685 Vitreous silica crucible for pulling silicon single crystal and method of manufacturing the sameAug 20, 10Jan 20, 15[C03B, C30B]
8887374 Method of manufacturing fused silica crucibleMay 20, 11Nov 18, 14[C03B, H05B, C04B, H01S]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8506890 Method for purification of silica particles, purifier, and purified silica particlesExpiredMar 14, 11Aug 13, 13[B01J]
2012/0318,021 APPARATUS FOR MANUFACTURING VITREOUS SILICA CRUCIBLEAbandonedAug 23, 12Dec 20, 12[C03B]
2012/0272,687 APPARATUS FOR MANUFACTURING VITREOUS SILICA CRUCIBLEAbandonedApr 27, 11Nov 01, 12[C03B]
2012/0270,167 COVER FOR VITREOUS SILICA CRUCIBLE AND VITREOUS SILICA CRUCIBLE AND METHOD OF HANDLING THE SAMEAbandonedJun 01, 10Oct 25, 12[F27B, B65D]
2012/0141,622 APPARATUS FOR MANUFACTURING VITREOUS SILICA CRUCIBLEAbandonedNov 30, 11Jun 07, 12[B29C]
2011/0165,054 METHOD FOR PURIFICATION OF SILICA PARTICLES, PURIFIER, AND PURIFIED SILICA PARTICLESAbandonedMar 14, 11Jul 07, 11[C01B, C25B]
2011/0099,952 Crane device for wrapped quartz glass crucible and method of packing wrapped quartz glass crucible using the deviceAbandonedJul 21, 10May 05, 11[B65B, B66C]
2011/0023,773 VITREOUS SILICA CRUCIBLE AND METHOD OF MANUFACTURING THE SAMEAbandonedMar 23, 09Feb 03, 11[C03B, C30B]
2011/0017,128 VITREOUS SILICA CRUCIBLE AND METHOD OF MANUFACTURING THE SAMEAbandonedMar 10, 09Jan 27, 11[C03B, C30B]
2010/0319,608 SILICA GLASS CRUCIBLE, METHOD OF MANUFACTURING THE SAME AND PULLING METHODAbandonedSep 29, 08Dec 23, 10[C03C, C30B]
2010/0319,609 VITREOUS SILICA CRUCIBLE, METHOD OF MANUFACTURING THE SAME, AND USE THEREOFAbandonedOct 27, 08Dec 23, 10[C03C, C30B]
2010/0314,400 VITREOUS SILICA CRUCIBLEAbandonedFeb 04, 09Dec 16, 10[B65D]
2010/0226,747 CLOSURE FOR SILICA GLASS CRUCIBLE, SILICA GLASS CRUCIBLE AND METHOD OF HANDLING THE SAMEAbandonedMar 05, 10Sep 09, 10[C30B, B65D]
2010/0192,841 REINFORCING METHOD OF SILICA GLASS SUBSTANCE AND REINFORCED SILICA GLASS CRUCIBLEAbandonedApr 13, 10Aug 05, 10[C30B]
2010/0162,943 SILICA GLASS CRUCIBLE AND METHOD OF PULLING SILICON SINGLE CYRSAL WITH SILICA GLASS CRUCIBLEAbandonedJun 29, 09Jul 01, 10[C30B]
2010/0126,407 SILICA GLASS CRUCIBLE AND METHOD FOR PULLING SINGLE-CRYSTAL SILICONAbandonedJan 27, 10May 27, 10[C30B]
2010/0107,970 SILICA GLASS CRUCIBLE HAVING MULTILAYERED STRUCTUREAbandonedJan 09, 09May 06, 10[C30B]
2010/0095,880 Arc melting high-purity carbon electrode and application thereofAbandonedOct 17, 08Apr 22, 10[H05B, B29C, C30B]
2010/0089,308 SILICA GLASS CRUCIBLE AND METHOD FOR PULLING SINGLE-CRYSTAL SILICONAbandonedOct 15, 08Apr 15, 10[C30B]
2010/0000,465 METHOD FOR PRODUCING VITREOUS SILICA CRUCIBLEAbandonedJul 07, 08Jan 07, 10[C03B, C30B]

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