Assignee
MITSUBISHI OIL CO
JP·50 granted patents·967 citations·filing 1980–1998
Top patents by PatentIndex Score
50 records- 0193US4997556AOil filter IMITSUBISHI OIL CO·Filed 1989·Granted Mar 5, 1991·102 cites·46 claims
- 0288US5342533ARefrigerator oil compositionMITSUBISHI OIL CO·Filed 1992·Granted Aug 30, 1994·42 cites·5 claims
- 0388US4431557ARefrigerator oil composition(s)MITSUBISHI OIL CO·Filed 1981·Granted Feb 14, 1984·58 cites·9 claims
- 0486US5457255ACatalysts for hydrogenolytic dealkylation and use thereofMITSUBISHI OIL CO·Filed 1994·Granted Oct 10, 1995·29 cites·5 claims
- 0585US5906730AProcess for desulfurizing catalytically cracked gasolineMITSUBISHI OIL CO·Filed 1996·Granted May 25, 1999·79 cites·9 claims
- 0683US5510019ABubble separating apparatusMITSUBISHI OIL CO·Filed 1994·Granted Apr 23, 1996·50 cites·19 claims
- 0783US4865632AIntegrated separator for solid and gaseous contaminants in a fluidMITSUBISHI OIL CO·Filed 1988·Granted Sep 12, 1989·50 cites·7 claims
- 0882US4878924AIntegrated separator for solid and gas contaminants in engine oilMITSUBISHI OIL CO·Filed 1988·Granted Nov 7, 1989·50 cites·8 claims
- 0975US4460454AProcess for producing pitch for using as raw material for carbon fibersMITSUBISHI OIL CO·Filed 1983·Granted Jul 17, 1984·20 cites·2 claims
- 1074US5462650AProcess for producing low viscosity lubricating base oil having high viscosity indexMITSUBISHI OIL CO·Filed 1993·Granted Oct 31, 1995·35 cites·12 claims
- 1174US4462893AProcess for producing pitch for using as raw material for carbon fibersMITSUBISHI OIL CO·Filed 1982·Granted Jul 31, 1984·20 cites·1 claims
- 1271US5000766ASuction system gas separator from fluidMITSUBISHI OIL CO·Filed 1989·Granted Mar 19, 1991·25 cites·8 claims
- 1371US4670129APitch for production of carbon fibersMITSUBISHI OIL CO·Filed 1986·Granted Jun 2, 1987·17 cites·21 claims
- 1469US4801372AOptically anisotropic pitchMITSUBISHI OIL CO·Filed 1986·Granted Jan 31, 1989·15 cites·7 claims
- 1568US5043497ALubricating oil for traction drivesMITSUBISHI OIL CO·Filed 1989·Granted Aug 27, 1991·19 cites·1 claims
- 1667US5064452AGas removable pump for liquidMITSUBISHI OIL CO·Filed 1990·Granted Nov 12, 1991·32 cites·29 claims
- 1765US5041990AMethod and apparatus for measuring entrained gas bubble content of flowing fluidMITSUBISHI OIL CO·Filed 1989·Granted Aug 20, 1991·24 cites·3 claims
- 1862US5114575AOil filterMITSUBISHI OIL CO·Filed 1991·Granted May 19, 1992·26 cites·9 claims
- 1962US4597853APitch as a raw material for making carbon fibers and process for producing the sameMITSUBISHI OIL CO·Filed 1983·Granted Jul 1, 1986·12 cites·17 claims
- 2061US4460455AProcess for producing pitch for using as raw material for carbon fibersMITSUBISHI OIL CO·Filed 1983·Granted Jul 17, 1984·11 cites·1 claims
- 2161US4309191ACoal-oil mixtureMITSUBISHI OIL CO·Filed 1980·Granted Jan 5, 1982·15 cites·17 claims
- 2259US5853570AProcess for desulfurizing catalytically cracked gasolineMITSUBISHI OIL CO·Filed 1996·Granted Dec 29, 1998·26 cites·4 claims
- 2358US5460713AProcess for producing low viscosity lubricating base oil having high viscosity indexMITSUBISHI OIL CO·Filed 1993·Granted Oct 24, 1995·22 cites·14 claims
- 2457US5728655ARefrigerating machine oil composition for use with HCFC and HFC refrigerantsMITSUBISHI OIL CO·Filed 1996·Granted Mar 17, 1998·18 cites·5 claims
- 2557US4976854AOil filter IIMITSUBISHI OIL CO·Filed 1989·Granted Dec 11, 1990·18 cites·18 claims
- 2654US5219912AEmulsified alkenylsuccinic acid sizing agentMITSUBISHI OIL CO·Filed 1991·Granted Jun 15, 1993·20 cites·13 claims
- 2750US5059742AProcess for separating 2,6-dimethylnaphthaleneMITSUBISHI OIL CO·Filed 1989·Granted Oct 22, 1991·4 cites·7 claims
- 2850US4462894AProcess for producing pitch for using as raw material for carbon fibersMITSUBISHI OIL CO·Filed 1982·Granted Jul 31, 1984·7 cites·3 claims
- 2949US5085561AGas removal pump for liquidMITSUBISHI OIL CO·Filed 1990·Granted Feb 4, 1992·13 cites·21 claims
- 3048US4673439ASizing agent for paper makingMITSUBISHI OIL CO·Filed 1986·Granted Jun 16, 1987·11 cites·20 claims
- 3147US5295083ADevice for dynamically measuring bubble content of flowing liquidMITSUBISHI OIL CO·Filed 1991·Granted Mar 15, 1994·16 cites·4 claims
- 3244US5306757AEmulsified alkenylsuccinic acid sizing agentMITSUBISHI OIL CO·Filed 1992·Granted Apr 26, 1994·10 cites·4 claims
- 3342US5224993ASizing agent for paperMITSUBISHI OIL CO·Filed 1992·Granted Jul 6, 1993·8 cites·2 claims
- 3440US5246491APaper sizing agent compositionMITSUBISHI OIL CO·Filed 1992·Granted Sep 21, 1993·8 cites·7 claims
- 3539US5608132AMethod of alkylating the side chain of alkyl-substituted aromatic hydrocarbonsMITSUBISHI OIL CO·Filed 1995·Granted Mar 4, 1997·2 cites·14 claims
- 3639US4514544APaper sizing agent comprised of reaction product of maleic anhydride and propylene oligomersMITSUBISHI OIL CO·Filed 1983·Granted Apr 30, 1985·6 cites·12 claims
- 3738US5051072AGas removable pump for liquidMITSUBISHI OIL CO·Filed 1990·Granted Sep 24, 1991·9 cites·25 claims
- 3838US4793912AProcess for producing a pitch having a low softening pointMITSUBISHI OIL CO·Filed 1987·Granted Dec 27, 1988·3 cites·6 claims
- 3937US6010988ALubricating oil compositionMITSUBISHI OIL CO·Filed 1998·Granted Jan 4, 2000·6 cites·9 claims
- 4033US5464593AProcess for producing spherical zeolite catalyst and apparatus for producing the sameMITSUBISHI OIL CO·Filed 1994·Granted Nov 7, 1995·3 cites·9 claims
- 4133US5338321AGasoline-blended methanol fuel for internal combustion enginesMITSUBISHI OIL CO·Filed 1993·Granted Aug 16, 1994·6 cites·3 claims
- 4228US5639812AAlkenylsuccinic acid emulsion sizing agent (1)MITSUBISHI OIL CO·Filed 1995·Granted Jun 17, 1997·4 cites·7 claims
- 4328USH907HProcess for producing conductive graphite fiberMITSUBISHI OIL CO·Filed 1988·Granted Apr 2, 1991·1 cites·4 claims
- 4427US5391225AAlkenylsuccini acid emulsion sizing agentMITSUBISHI OIL CO·Filed 1993·Granted Feb 21, 1995·6 cites·19 claims
- 4527US5256750AHydrogenated liquid petroleum resin and hot melt pressure-sensitive adhesive composition containing the sameMITSUBISHI OIL CO·Filed 1992·Granted Oct 26, 1993·2 cites·8 claims
- 4626US4495089AContinuous process for the production of solvents for coal liquefactionMITSUBISHI OIL CO·Filed 1982·Granted Jan 22, 1985·0 cites·10 claims
- 4725US5665811AAlkenylsuccinic acid emulsion sizing agent (2)MITSUBISHI OIL CO·Filed 1995·Granted Sep 9, 1997·3 cites·2 claims
- 4825US5344469AGasoline-blended methanol fuel for internal combustion enginesMITSUBISHI OIL CO·Filed 1993·Granted Sep 6, 1994·3 cites·3 claims
- 4923US5625102AMethod of alkylating the side chain of alkyl-substituted aromatic hydrocarbonsMITSUBISHI OIL CO·Filed 1994·Granted Apr 29, 1997·0 cites·12 claims
- 5020US5808169AProcess for the preparation of 1,2,4,5-dimethyldiisopropylbenzeneMITSUBISHI OIL CO·Filed 1997·Granted Sep 15, 1998·1 cites·4 claims
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