CHIYODA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 37101
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 3277
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF2158
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 1943
 
  
 
B01D SEPARATION 17117
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 1019
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 435
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 353
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 352
 
  
 
F17C VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES 324

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0033,941 POWER GENERATION SYSTEMFeb 23, 16Feb 01, 18[H01L, B01J, C10G]
2017/0369,793 HYDROGENATION CATALYST FOR AROMATIC HYDROCARBON AND HYDROTREATMENT METHOD USING THE CATALYSTSep 09, 17Dec 28, 17[C07C, G01N, B01J, C10G, C01G, C01F]
2017/0282,165 ZEOLITE CATALYSTS, METHODS FOR PRODUCING ZEOLITE CATALYSTS, AND METHODS FOR PRODUCING LOWER OLEFINSJun 19, 17Oct 05, 17[B01J, C10G]
2017/0166,496 HYDROGENATION SYSTEM FOR AROMATIC COMPOUND, HYDROGEN STORAGE AND TRANSPORTATION SYSTEM EQUIPPED WITH SAME, AND PROCESS FOR HYDROGENATION OF AROMATIC COMPOUNDJan 29, 15Jun 15, 17[C01B, C07C]
2017/0160,008 SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GASDec 26, 14Jun 08, 17[F25J]
2017/0132,332 PLANT DESIGN ASSIST DEVICE AND PLANT DESIGN ASSIST PROGRAMJan 26, 17May 11, 17[G06F]
2017/0057,890 SYSTEM AND METHOD FOR HYDROGENATING AROMATIC COMPOUNDFeb 20, 15Mar 02, 17[C01B, C07C]
2017/0030,633 SYSTEM AND METHOD FOR LIQUEFACATION OF NATURAL GASOct 14, 16Feb 02, 17[F25J]
2016/0313,056 SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GASDec 26, 14Oct 27, 16[F25J]
2016/0257,578 RESIN-MADE POROUS PARTICLES AND WATER TREATMENT PROCESS USING SAMEJul 15, 14Sep 08, 16[B01J, C02F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919986 Hydrogenation system for aromatic compound, hydrogen storage and transportation system equipped with same, and process for hydrogenation of aromatic compoundJan 29, 15Mar 20, 18[C01B, C07C]
9884288 Treatment process of gas containing zero-valent mercury and mercury separation systemMay 18, 15Feb 06, 18[C01G, B01D]
9884998 Method of suppressing metal contamination of synthesis gas production apparatusJun 01, 16Feb 06, 18[C01B, C10K, C10G]
9862654 Method for producing xyleneMay 24, 12Jan 09, 18[C07C, C10G]
9828309 Method for producing monocyclic aromatic hydrocarbonsMay 24, 12Nov 28, 17[C07C, B01J, C10G, B01D]
9821301 Zeolite catalysts, methods for producing zeolite catalysts, and methods for producing lower olefinsJun 07, 13Nov 21, 17[C01B, C07C, B01J, C10G]
9776180 Hydrotreating catalyst for hydrocarbon oil and method for producing same, and hydrocarbon oil hydrotreating method using sameMar 22, 11Oct 03, 17[B01J, C10G]
9725656 Method of suppressing metal contamination of synthesis gas production apparatusMar 22, 12Aug 08, 17[C01B, C10K, C10G]
9718024 Method for preventing inactivation of flue gas desulfurization apparatusAug 22, 12Aug 01, 17[F23J, G01N, B01D]
9687781 Desulfurization method and device for sulfuric acid production deviceOct 25, 13Jun 27, 17[C01B, C02F, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0252,792 SOLAR-THERMAL COLLECTORAbandonedMay 15, 15Sep 10, 15[F24J, B23P, F03G]
2015/0247,490 SOLAR-THERMAL COLLECTORAbandonedMay 15, 15Sep 03, 15[F24J, F03G]
2015/0021,264 TREATMENT METHODS AND TREATMENT SYSTEMS FOR PLANT EFFLUENTSAbandonedJan 10, 13Jan 22, 15[C02F]
2014/0316,071 METHOD OF ACCELERATING METHANOL CARBONYLATIONAbandonedJul 03, 14Oct 23, 14[C08F]
2014/0021,094 METHOD OF REMOVING HEAVY HYDROCARBONSAbandonedMar 31, 11Jan 23, 14[C10G]
8338495 Method for efficient use of heat from tubular reformerExpiredSep 18, 08Dec 25, 12[C07C, C10G]
2010/0056,370 CATALYST CARRIERAbandonedAug 27, 09Mar 04, 10[B01J]
6951458 Reactor combustion control method and reactorExpiredMar 28, 03Oct 04, 05[F27B]
6323385 Wet type method of rendering dioxins innoxiousExpiredJun 20, 00Nov 27, 01[A62D]
6236192 AC voltage regulatorExpiredJun 08, 00May 22, 01[G05F]
6067243 AC-AC/DC converterExpiredMar 18, 99May 23, 00[H02M]
6062041 Method for liquefying natural gasExpiredNov 20, 97May 16, 00[F25J]
5856712 Uninterruptible power supply methodExpiredApr 22, 97Jan 05, 99[H02J]
5647741 Heat exchanger for combustion apparatusExpiredDec 06, 94Jul 15, 97[F27D]
5635826 Input waveform follow-up AC power source systemExpiredOct 18, 95Jun 03, 97[G05F]
5576458 Process for preparing organic carboxylic acidExpiredMar 21, 95Nov 19, 96[C07C]
5569594 Transesterification with lipase immobilized on a polymer containing epoxy and tertiary amino groupsExpiredMay 10, 95Oct 29, 96[C12P, C12N]
5464147 Method of connecting cylindrical members to each other using tandem type internal clampExpiredSep 21, 94Nov 07, 95[B23K]
5464593 Process for producing spherical zeolite catalyst and apparatus for producing the sameExpiredJul 12, 94Nov 07, 95[B01J]
5445955 Immobilization of lipase on a polymer carrier containing epoxy and tertiary amino groupsExpiredMay 24, 93Aug 29, 95[C12P, C12N]

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