Nippon Oil Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10M LUBRICATING COMPOSITIONS 346
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 3130
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2118
 
  
 
C12P FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 297
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161
 
  
 
C07H SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS 198

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6612731 Mixing apparatusNov 29, 00Sep 02, 03[B01F]
6034754 Liquid crystal display device with compensating film(s)May 27, 98Mar 07, 00[G02F]
6008401 Process for producing an optically active compoundFeb 19, 98Dec 28, 99[C07C]
5989758 Liquid crystalline polyesters, their composition, and their usesSep 30, 98Nov 23, 99[C08G, C08F, C08K]
5958286 Automatic transmission fluid compositionNov 24, 92Sep 28, 99[C10M]
5943110 Liquid crystal display device provided with a liquid crystalline compensating film having a positive uniaxiality in a nematic hybrid orientationJun 01, 98Aug 24, 99[G02F]
5700400 Method for producing a semiconducting materialAug 14, 95Dec 23, 97[C23C, H01B]
5658865 Oxidation-inhibitive lubricating oil compositionDec 06, 95Aug 19, 97[C10M]
5658866 Lubricating oil compositionsDec 06, 95Aug 19, 97[C10M]
5607839 Bacteria belonging to new genus process for production of carotenoids using sameJul 19, 94Mar 04, 97[C12P]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8575281 Sulfonic acid group-containing carbonaceous materialExpiredFeb 20, 08Nov 05, 13[C08G]
7052626 Fluid compositions containing refrigeration oils and chlorine-free fluorocarbon refrigerantsExpiredApr 09, 98May 30, 06[C10M]
6998065 Fluid compositions containing refrigerator oils and chlorine-free fluorocarbon refrigerantsExpiredSep 14, 98Feb 14, 06[C09K]
6259559 Glass arrangement including an outside glass plate, a polarization direction changing film and an adhesive layer therebetween, and an inside glass layerExpiredMar 25, 96Jul 10, 01[G02B]
6153118 Fluid compositions containing refrigerator oils and chlorine-free fluorocarbon refrigerantsExpiredNov 06, 98Nov 28, 00[C09K, C10M]
6118573 Electrode for electrochromic device and electrochromic deviceExpiredDec 24, 97Sep 12, 00[G02F]
6033806 Method of producing a cross-linked polyvinyl alcohol separator for an alkali-zinc secondary batteryExpiredMar 03, 98Mar 07, 00[H01M]
6015951 Photoelectric transfer deviceExpiredNov 20, 97Jan 18, 00[H01L, G02F]
5968868 Catalyst for use in the alkylation of isoalkanesExpiredJul 03, 97Oct 19, 99[B01J]
5958850 Rust preventive compositionExpiredApr 10, 97Sep 28, 99[C09K, C04B]
5928393 Fuel additiveExpiredJul 17, 97Jul 27, 99[C10L]
5863469 Electrorheological fluid comprising lyotropic liquid crystalline polymer and a cyclic ketone solventExpiredMar 25, 97Jan 26, 99[C10M, H01B]
5811030 Process for producing silicon colloidExpiredOct 13, 94Sep 22, 98[B01J, C30B, B01D]
5800790 Filter for treatment of carbon-based particles in exhaust gas and a device for said treatment using said filterExpiredSep 24, 96Sep 01, 98[F01N]
5780399 Oil-soluble polyester, additive for lubricating oil, and lubricating oil compositionExpiredFeb 12, 96Jul 14, 98[C10M]
5755833 Fuel additiveExpiredJan 22, 96May 26, 98[C10L]
5746934 Electro rheological fluid comprising lyotropic liquid crystalline polymerExpiredApr 26, 96May 05, 98[C10M]
5739088 Method of lubricating an alcohol-based fuel engine with an engine oil compositionExpiredJul 19, 94Apr 14, 98[C10M]
5723417 Oil-soluble polyester, additive for lubricating oil, and lubricating oil compositionExpiredFeb 12, 96Mar 03, 98[C08G, C10M]
5705088 Electrorheological fluid containing carbonaceous particlesExpiredFeb 14, 96Jan 06, 98[C10M]

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