Nippon Aerosil Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF673
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 378
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 169
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 129
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9098001 Surface-modified metal oxide powder and process for producing sameJul 09, 10Aug 04, 15[C01B, H01B, C09C, G03G]
8962866 Surface-modified silica powder and method for producing the same, as well as toner composition for electrophotographyFeb 03, 12Feb 24, 15[C01B, C07F, G03G]
7494636 Highly dispersible fine hydrophobic silica powder and process for producing the sameDec 25, 03Feb 24, 09[C01B]
7255843 Low viscosity-increment fumed-silica and its slurryDec 23, 02Aug 14, 07[C01B]
7109256 Surface-modified inorganic oxide powder, process for producing the same, and use thereofJun 24, 02Sep 19, 06[C08K]
7083770 Amorphous, fine silica particles, and method for their production and their useJun 20, 01Aug 01, 06[C01B]
6677095 Fine metal oxide powder having high dispersibility and toner composition comprising the sameSep 05, 02Jan 13, 04[G03G]
6620508 Oxide powder and method for preparing the same, and product using the sameSep 25, 01Sep 16, 03[B32B]
6352679 Ultrafine particle silicon dioxide and process for producing the sameSep 14, 99Mar 05, 02[C01B]
6224980 Fine powder of hydrophobic titanium oxide, and method for producing itMar 31, 99May 01, 01[B32B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0177,446 HYDROPHOBIC SILICA MICROPARTICLES AND COMPOSITION FOR ELECTROPHOTOGRAPHIC TONERAbandonedJul 29, 09Jul 21, 11[C01B, G03G]
2011/0159,426 SILICA-TITANIA MIXED OXIDE PARTICLEAbandonedApr 26, 06Jun 30, 11[G03G]
2010/0330,493 SURFACE-MODIFIED COMPLEX OXIDE PARTICLESAbandonedDec 24, 08Dec 30, 10[G03G]
2008/0000,520 Photovoltaic Device, Manufacturing Method of Titanium Dioxide Particle Used for Making Thereof, and Dye-Sensitized Solar Cell Using ThereofAbandonedSep 12, 05Jan 03, 08[H01L, C01G]
2007/0204,903 Titanium Dioxide Particle, Photovoltaic Device With The Same And Manufacturing Method Of The SameAbandonedMar 04, 05Sep 06, 07[H01L]
7192461 High concentration silica slurryExpiredNov 24, 03Mar 20, 07[C09G]
6994834 Surface-modified fine silica powder and use thereofExpiredSep 22, 00Feb 07, 06[C01B]
2005/0203,214 Surface modified inorganic oxide powder and its useAbandonedAug 04, 03Sep 15, 05[C08K]
6852789 Glycols starting materials containing dispersed superfine ceramic powder coagulates capable of forming polyester molded bodies having high mechanical strength and transparencyExpiredFeb 15, 02Feb 08, 05[C08G, C08K]
6759451 Surface-modified inorganic oxide powder, process for producing the same, and use thereofWithdrawnJun 24, 02Jul 06, 04[C08K, B32B]
6573018 Surface-treated metallic-oxide fine powder, and its production and useExpiredMar 29, 01Jun 03, 03[G03G]
2002/0041,952 Aqueous nanoparticle ceramic agglomerate dispersion for forming ink-absorbing layer of ink-jet recording mediumAbandonedJun 29, 01Apr 11, 02[C04B]
4424198 Process for preparing trichlorosilane and silicon tetrachloride from silicon and hydrogen chlorideExpiredAug 03, 82Jan 03, 84[C01B, B01F]

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