National Research Institute for Metals

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22C ALLOYS 567
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 390
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 235
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2109
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
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
7132388 High-temperature oxide superconductorJan 04, 89Nov 07, 06[C04B]
6755921 Nickel-based single crystal alloy and a method of manufacturing the sameMay 07, 02Jun 29, 04[C22C]
6669807 Method for reactive ion etching and apparatus thereforJan 31, 02Dec 30, 03[C23C, H05H]
6653594 Consumable electrode gas shielded arc welding method and apparatusFeb 28, 01Nov 25, 03[B23K]
6494971 Iridium-containing nickel-base superalloyJun 17, 99Dec 17, 02[C22C]
6483072 Laser welding methodMar 12, 01Nov 19, 02[B23K]
6391216 Method for reactive ion etching and apparatus thereforSep 21, 98May 21, 02[H01L, C23F]
6221178 Ultra-fine grain steel and method for producing itSep 21, 98Apr 24, 01[C21D, C22C]
6159314 Nickel-base single-crystal superalloys, method for manufacturing the same, and gas turbine parts prepared therefromMar 03, 99Dec 12, 00[C22F]
6071470 Refractory superalloysMar 15, 96Jun 06, 00[C22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0079,471 WELDING METHOD AND WELDED JOINT STRUCTUREAbandonedNov 04, 13Mar 20, 14[B23K]
7323227 Process for precise arrangement of micro-bodiesExpiredFeb 09, 06Jan 29, 08[B05D]
2003/0201,263 Welding material and a method of producing welded jointAbandonedMay 05, 03Oct 30, 03[B23K, C22C]
6589909 Process for producing catalyst for steam reforming of methanolExpiredMar 30, 01Jul 08, 03[B01J]
6572716 Fine ferrite-based structure steel production methodExpiredSep 21, 98Jun 03, 03[C21D]
6569813 Method of producing oxide superconductive composite materialExpiredJan 22, 01May 27, 03[C04B]
6524406 Shape memory alloyExpiredFeb 09, 01Feb 25, 03[C22C]
6444061 PROCESS FOR PRODUCING HEAT-RESISTANT INTERMETALLIC COMPOUND NI3AL FOIL HAVING ROOM-TEMPERATURE DUCTILITY AND HEAT-RESISTANT INTERMETALLIC COMPOUND NI3AL FOIL HAVING ROOM-TEMPERATURE DUCTILITYExpiredOct 20, 00Sep 03, 02[C22F]
6376099 CU-containing NB3A1 multifilamentary superconductive wire and process for producing the sameExpiredNov 09, 00Apr 23, 02[H01B, C22F]
2002/0031,464 Oxide regenerator material and regeneratorAbandonedMar 20, 01Mar 14, 02[C01F]
6348108 High toughness steel and a method for manufacturing the sameExpiredMar 02, 99Feb 19, 02[C22C]
6344082 Fabrication method of Si nanocrystalsExpiredJun 29, 99Feb 05, 02[C30B]
2002/0011,285 FERRITIC HEAT-RESISTANT STEEL AND METHOD FOR PRODUCING ITAbandonedSep 21, 98Jan 31, 02[C21D, C22C]
2001/0038,001 Welding material and a method of producing welded jointAbandonedDec 18, 00Nov 08, 01[B23K]
2001/0035,236 SHAPE MEMORY ALLOY WITH DUCTILITY AND A MAKING PROCESS OF THE SAMEAbandonedMar 15, 99Nov 01, 01[C22F, C22C]
6287397 High strength phosphorus-containing steel and method for producing the sameExpiredAug 31, 99Sep 11, 01[C21D, C22C]
2001/0018,890 Method of highly purifying Si surface and a atomically flattening method for an Si surfaceAbandonedFeb 26, 01Sep 06, 01[C30B]
6271473 Oxide superconductive wire and process for manufacturing the sameExpiredMay 15, 97Aug 07, 01[H01B]
6246007 Oxide superconductive wire and process for manufacturing the sameExpiredMay 15, 97Jun 12, 01[H01L]
6240620 Making of bismuth 2212 superconducting wire or tapeExpiredNov 05, 98Jun 05, 01[H01L]

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