Akechi Ceramics Kabushiki Kaisha

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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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6568571 Exchangeable continuous casting nozzleDec 08, 00May 27, 03[B22D]
6533146 Continuous casting nozzle for molten steelDec 05, 00Mar 18, 03[B22D]
6478201 Stopper for continuous castingDec 15, 00Nov 12, 02[B22D]
6257466 Continuous casting nozzleApr 17, 00Jul 10, 01[B22D]
5858261 Continuous casting nozzle for casting molten steelOct 16, 97Jan 12, 99[B22D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7234731 Gas feed pipe connecting screw for continuous casting nozzleExpiredAug 04, 04Jun 26, 07[F16L]
7172695 Liquid treating apparatusExpiredMar 19, 04Feb 06, 07[B01D]
7060656 Antibacterial rockwool growth medium for hydroponicsExpiredDec 17, 03Jun 13, 06[A01N]
6540009 Holding structure for continuous casting long stopperExpiredAug 25, 00Apr 01, 03[B22D]
6454144 Continuous casting nozzleExpiredApr 05, 00Sep 24, 02[B22D]
2002/0113,148 Immersion nozzle for continuous castingAbandonedOct 25, 01Aug 22, 02[A62C]
6283341 Continuous casting nozzle for molten steelExpiredJul 08, 99Sep 04, 01[B22D]
5975382 Continuous casting nozzle for casting molten steelExpiredJan 21, 98Nov 02, 99[B22D]
5885473 Long nozzle for continuous castingExpiredMay 16, 97Mar 23, 99[B22D]
5851414 Tundish stopper rod for continuous castingExpiredApr 29, 96Dec 22, 98[B22D]
4588112 Nozzle for continuous castingExpiredFeb 06, 84May 13, 86[B22D]

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