Nippon Carbon Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 2152
 
  
 
A47G HOUSEHOLD OR TABLE EQUIPMENT 126
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS128
 
  
 
G21C NUCLEAR REACTORS 142
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9490499 Negative electrode active material for lithium ion rechargeable battery and negative electrode using the sameJul 06, 07Nov 08, 16[H01M]
8728668 Negative electrode active material for lithium ion rechargeable battery and negative electrode using the sameMay 25, 07May 20, 14[H01M]
6246740 SIC-composite material sleeve and process for producing the sameOct 14, 98Jun 12, 01[G21C, A47G, B32B]
5344709 Silicon carbide fiber and method of manufacturing the sameMay 14, 92Sep 06, 94[D02G, B32B]
5283044 Super heat-resistant silicon carbide fibers from poly-carbosilaneNov 25, 91Feb 01, 94[C04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6184507 Package for carbon heater used for manufacturing a mono crystal body and method of forming the sameExpiredOct 28, 99Feb 06, 01[H05B]
5966794 Method of manufacturing multiple-piece graphite crucibleExpiredJun 18, 98Oct 19, 99[B23P]
5795539 Method for cooling graphite electrodes used for metal melting and refining in an electric arc furnace and a ladleExpiredSep 26, 96Aug 18, 98[C21B]
5447624 Packings for liquid chromatography and process for producing the sameExpiredApr 06, 94Sep 05, 95[B01D]
5272126 Adsorption type packing for gas chromatography and process for producing the sameExpiredApr 08, 92Dec 21, 93[C01B, G01N, B01J]
5270280 Packing material for liquid chromatography and method of manufacturing thereofExpiredOct 30, 91Dec 14, 93[C01B, B01J, B01D]
5234675 Manufacturing sintered body of silicon carbide by using SiC whiskers in a multiple heating step processExpiredOct 01, 91Aug 10, 93[C01B, C04B]
5098784 Supports for gas chromatography comprising aggregates of finely divided carbon particles and process for preparing the sameExpiredJan 04, 91Mar 24, 92[B05D, B01D]
5051207 Heat-resistant and corrosion-resistant compositionExpiredAug 16, 89Sep 24, 91[C23F]
5037699 Heat-resistant, corrosion-resistant inorganic composite bodies and process for preparing the sameExpiredApr 09, 90Aug 06, 91[B32B]
5025243 Infrared detective elementExpiredOct 05, 89Jun 18, 91[H01L]
5021370 Ceramic fibers and a process for producing the sameExpiredJul 21, 89Jun 04, 91[C04B]
4973516 Gaskets for use in internal combustion enginesExpiredMar 09, 89Nov 27, 90[B32B]
4941149 Method of melting and/or refining metals and cooling device for the graphite electrode used for the sameExpiredAug 15, 88Jul 10, 90[H05B]
4916093 Method of producing continuous inorganic fiber consisting of Si, N and OExpiredFeb 21, 89Apr 10, 90[C04B]
4810028 Crashable automobile frameExpiredJun 25, 87Mar 07, 89[B60R]
4769195 Manufacturing a silicon carbide fiber reinforced glass composite using plasma sprayingExpiredJul 22, 87Sep 06, 88[B05D, B29C, B28B]
4726980 Electromagnetic wave absorbers of silicon carbide fibersExpiredMar 06, 87Feb 23, 88[B32B]
4717589 Method for manufacturing a silicon carbide fiber reinforced glass compositeExpiredOct 09, 86Jan 05, 88[B05D, C03B]
4650773 Continuous inorganic fiber consisting of Si, N and O and a method of producing the sameExpiredApr 26, 85Mar 17, 87[C03C, C04B]

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