KYUSHU REFRACTORIES CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5866490 Monolithic refractory and gunning material using the refractoryDec 26, 96Feb 02, 99[C04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0126,306 Method of manufacturing graphite particles and refractory using the methodAbandonedFeb 11, 04Jul 01, 04[C01B]
6435385 Immersion nozzleExpiredMar 21, 00Aug 20, 02[B22D]
5000427 Injection material for use in blast furnaceExpiredOct 24, 86Mar 19, 91[C04B]
4943541 Glass ceramicsExpiredMay 13, 88Jul 24, 90[C03C]
4732749 Method of manufacturing longer fibers of potassium titanateExpiredJan 17, 86Mar 22, 88[C01G]
4681633 High strength calcium phosphate glass-ceramic materialsExpiredMar 24, 86Jul 21, 87[C03C]
4626514 Good aesthetic artificial dental materials by calcium phosphate glass-ceramicExpiredMar 27, 86Dec 02, 86[C03C, A61C]
4540674 Silicon nitride composite refractoriesExpiredAug 11, 83Sep 10, 85[C04B]
4497901 Forsterite-carbon refractoryExpiredJan 06, 83Feb 05, 85[C04B]
4436678 Method for hot repairing the inside of a furnaceExpiredJun 23, 81Mar 13, 84[F27D]
4431745 Carbon-bonded magnesia carbon bricksExpiredMay 17, 82Feb 14, 84[C04B]
4308167 Process for gasifying hydrocarbonsExpiredJul 14, 80Dec 29, 81[C01B]
4306030 Carbon-containing refractoryExpiredJan 30, 80Dec 15, 81[C04B]
4282200 Processes for the preparation of fiberous titanic acid metal saltsExpiredFeb 25, 80Aug 04, 81[C01G]
4216020 Carbonaceous bricks and the method for producing the sameExpiredFeb 21, 79Aug 05, 80[C04B]

Top Inventors for This Owner

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