Kuroki Kogyosho Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 291

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8944307 Method of welding method, welding method and welded joint bodyMar 18, 10Feb 03, 15[B23K]
8404992 Method of welding metallic glass with crystalline metal by high-energy beamJul 25, 08Mar 26, 13[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0284,829 INJECTION NOZZLEAbandonedNov 02, 11Oct 31, 13[F02M]
4976915 Method for forming a powdered or a granular materialExpiredAug 01, 88Dec 11, 90[B22F]
4915980 Method for producing amorphous metal layerExpiredJul 12, 89Apr 10, 90[B05D, C22C]
4883292 Corrosion resisting steel pipe and method of manufacturing sameExpiredFeb 10, 89Nov 28, 89[F16L]
4795078 Method for producing a clad steel pipeExpiredMay 13, 86Jan 03, 89[B23K]
4733446 RollExpiredJun 18, 82Mar 29, 88[B21B]
4532978 Roll for transferring hot metal piecesExpiredApr 16, 84Aug 06, 85[B22D]
4482612 Low alloy or carbon steel roll with a built-up weld layer of an iron alloy containing carbon, chromium, molybdenum and cobaltExpiredAug 13, 82Nov 13, 84[B32B]
4345457 Method for detecting the depth of cracks in rolls used for transferring hot steel ingot bloom and rolls used thereforExpiredApr 25, 80Aug 24, 82[G01M]

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