Nippon Graphite Fiber Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D01F CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 431
 
  
 
A63B APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT 166
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
D01D MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS126
 
  
 
D02J FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES, OR THE LIKE 19

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6524501 Pitch fiber bundle and pitch type carbon fiber bundle and method for production thereofSep 08, 00Feb 25, 03[D02J, D01F]
6273830 Tapered hollow shaftAug 27, 99Aug 14, 01[A63B]
6228473 Fiber-reinforced composite materialsJun 16, 99May 08, 01[B32B]
6187434 Pitch fiber bundle and pitch type carbon fiber bundle and method for production thereofMar 24, 00Feb 13, 01[D01F]
6171696 Method for producing carbon fiber, carbon fiber, prepreg, and molded article from fiber-reinforced composite materialMay 21, 99Jan 09, 01[D01F]
5968435 Process for manufacturing pitch-type carbon fiberApr 23, 98Oct 19, 99[D01D, D01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0025,229 Method for manufacturing pitch-based carbon fiberAbandonedAug 01, 02Feb 06, 03[D01F]

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