Nakayama Steel Works, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B21B ROLLING OF METAL 230

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7076983 Apparatus and method for hot rollingJan 29, 02Jul 18, 06[B21B]
6820453 Method of rolling sheet and rolling machineSep 25, 02Nov 23, 04[B21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0263,973 Ni-Based Amorphous Alloy With High Ductility, High Corrosion Resistance and Excellent Delayed Fracture ResistanceAbandonedOct 19, 11Oct 10, 13[C22C]
2012/0234,438 Process for Production of Cold-Rolled Steel Sheet Having Excellent Press Moldability, and Cold-Rolled Steel SheetAbandonedJun 17, 10Sep 20, 12[C21D, C22C]
2009/0223,609 High-strength hot rolled steel plate and manufacturing method thereofAbandonedApr 07, 08Sep 10, 09[C21D, C22C]
2005/0016,242 Continous hot-rolling facilityAbandonedMay 28, 04Jan 27, 05[B21B]
4268295 Method for manufacturing crushed sands from blast furnace water granulated slagsExpiredJul 06, 79May 19, 81[C03B]

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