BRIDGESTONE METALPHA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS325
 
 
 
B60C VEHICLE TYRES 149
 
 
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES182
 
 
 
D07B ROPES OR CABLES IN GENERAL 112

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6102095 Corrosion resistant steel cords and pneumatic tires reinforced with sameNov 24, 97Aug 15, 00[B60C, D07B]
5709073 Steel cords for the reinforcement of rubber articles having a wrapping cordSep 13, 96Jan 20, 98[D02G]
5706641 Steel cord having layer-twisted structure of helicoidal filaments for reinforcing rubber productNov 14, 95Jan 13, 98[D02G]
5669577 Winding deviceAug 01, 95Sep 23, 97[B65H]
5561974 Steel cords for the reinforcement of rubber articles and method of producing the sameNov 22, 94Oct 08, 96[D02G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0037,422 Method of manufacturing colored stainless steel fiberABANSep 05, 01Mar 28, 02[B32B]
6338780 Apparatus for manufacturing metallic fibers and method of manufacturing colored metallic fiberExpiredJan 09, 01Jan 15, 02[C25F, C30B]
6325875 Titanium fiber and method of producing the sameExpiredJan 12, 01Dec 04, 01[C22F]
6316122 Titanium fiber and method of producing the sameExpiredAug 31, 98Nov 13, 01[B21C]
6270913 Apparatus for manufacturing metallic fibers, method of manufacturing twine of metallic fibers, twine of metallic fibers and method of coloring metallic fiberExpiredOct 27, 98Aug 07, 01[C25F, C30B]
5858200 Method of and apparatus for manufacturing metallic fiber and the twine of metallic fibers, and method of coloring metallic fiber and the twine of metallic fibersExpiredMay 23, 97Jan 12, 99[C25F, C30B]
5605036 Steel cords for the reinforcement of rubber articles and having a wrapping cordExpiredDec 20, 94Feb 25, 97[D07B, D02G]

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