HIRAKAWA HEWTECH CORPORATION

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 272
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS128
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7520120 Apparatus for manufacturing taped insulated conductor and method of controlling tape winding tensionJan 17, 06Apr 21, 09[D02G]
7442876 High-precision foamed coaxial cableMay 23, 05Oct 28, 08[H01B]
6333802 Digital signal transmission apparatusFeb 24, 98Dec 25, 01[H04B]
D392645 Multi port repeater for local area networkApr 21, 97Mar 24, 98[1403]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7548076 Current measuring apparatus, test apparatus, and coaxial cable and assembled cable for the apparatusesExpiredJan 08, 07Jun 16, 09[H01B, G01R]
7355123 Foam coaxial cable and method of manufacturing the sameExpiredMay 19, 04Apr 08, 08[H01B]
7242197 Current measuring apparatus, test apparatus, and coaxial cable and assembled cable for the apparatusesExpiredMar 21, 06Jul 10, 07[G01R]
6963032 High accuracy foamed coaxial cable and method for manufacturing the sameExpiredFeb 10, 03Nov 08, 05[H01B]
6804468 WDM optical transmission systemExpiredMay 09, 00Oct 12, 04[H04B]
D366878 Transceiver for local area networkExpiredOct 20, 94Feb 06, 96[]

Top Inventors for This Owner

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