Assignee
MITSUBISHI PETROCHEMICAL CO
507 granted patents·12,614 citations·filing 1971–1996
Top patents by PatentIndex Score
507 records- 0198US4191193ACatheter head-type transducerMITSUBISHI PETROCHEMICAL CO·Filed 1977·Granted Mar 4, 1980·195 cites·8 claims
- 0298US4085193ACatalytic process for reducing nitrogen oxides to nitrogenMITSUBISHI PETROCHEMICAL CO·Filed 1974·Granted Apr 18, 1978·241 cites·9 claims
- 0398US4058647AProcess for preparing laminated resin productMITSUBISHI PETROCHEMICAL CO·Filed 1976·Granted Nov 15, 1977·148 cites·11 claims
- 0497US5096560AElectrode for electrochemical detectorsMITSUBISHI PETROCHEMICAL CO·Filed 1990·Granted Mar 17, 1992·302 cites·9 claims
- 0597US4397981AEthylene polymer compositions that are flame retardantMITSUBISHI PETROCHEMICAL CO·Filed 1980·Granted Aug 9, 1983·114 cites·9 claims
- 0696US4465507AHerbicidal acetanilidesMITSUBISHI PETROCHEMICAL CO·Filed 1982·Granted Aug 14, 1984·112 cites·10 claims
- 0796US4446283ACrosslinkable polyethylene resin compositionMITSUBISHI PETROCHEMICAL CO·Filed 1982·Granted May 1, 1984·136 cites·9 claims
- 0896US4413066ACrosslinkable polyethylene resin compositionsMITSUBISHI PETROCHEMICAL CO·Filed 1981·Granted Nov 1, 1983·169 cites·14 claims
- 0996US4351876ALaminate films and sheets of crosslinked polyethylene resinsMITSUBISHI PETROCHEMICAL CO·Filed 1980·Granted Sep 28, 1982·175 cites·8 claims
- 1096US4297310AProcess for producing electric conductors coated with crosslinked polyethylene resinMITSUBISHI PETROCHEMICAL CO·Filed 1979·Granted Oct 27, 1981·135 cites·8 claims
- 1195US4837360AProcess for producing acrolein and acrylic acidMITSUBISHI PETROCHEMICAL CO·Filed 1982·Granted Jun 6, 1989·64 cites·10 claims
- 1295US4460706ACatalyst for the production of styreneMITSUBISHI PETROCHEMICAL CO·Filed 1983·Granted Jul 17, 1984·56 cites·9 claims
- 1395US4365087AProduction of acrylic acidMITSUBISHI PETROCHEMICAL CO·Filed 1980·Granted Dec 21, 1982·66 cites·7 claims
- 1495US4086116ACorrugated cardboard sheet and method for producing sameMITSUBISHI PETROCHEMICAL CO·Filed 1976·Granted Apr 25, 1978·76 cites·23 claims
- 1594US5424339AMethod for producing an optical material having a high refractive indexMITSUBISHI PETROCHEMICAL CO·Filed 1994·Granted Jun 13, 1995·108 cites·11 claims
- 1694US4873368AProcess for producing acrylic acidMITSUBISHI PETROCHEMICAL CO·Filed 1982·Granted Oct 10, 1989·56 cites·7 claims
- 1794US4625059AProcess for purification of 1,2-unsaturated carboxylic acids and/or esters thereofMITSUBISHI PETROCHEMICAL CO·Filed 1984·Granted Nov 25, 1986·41 cites·9 claims
- 1893US5331054APropylene copolymer compositionMITSUBISHI PETROCHEMICAL CO·Filed 1992·Granted Jul 19, 1994·74 cites·6 claims
- 1993US4984326ABlade for electrophotographic apparatusMITSUBISHI PETROCHEMICAL CO·Filed 1988·Granted Jan 15, 1991·52 cites·11 claims
- 2093US4892944AProcess for producing quaternary saltsMITSUBISHI PETROCHEMICAL CO·Filed 1988·Granted Jan 9, 1990·46 cites·8 claims
- 2193US4433073AOlefinic polymer composition containing inorganic fillerMITSUBISHI PETROCHEMICAL CO·Filed 1981·Granted Feb 21, 1984·67 cites·11 claims
- 2292US5346925AMethod for producing α-olefin polymersMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Sep 13, 1994·103 cites·21 claims
- 2392US5166276APolymer for hair-care productsMITSUBISHI PETROCHEMICAL CO·Filed 1990·Granted Nov 24, 1992·140 cites·16 claims
- 2492US4863997APolyphenylene ether compositionMITSUBISHI PETROCHEMICAL CO·Filed 1987·Granted Sep 5, 1989·57 cites·14 claims
- 2592US4833113ADenitration catalyst for reducing nitrogen oxides in exhaust gasMITSUBISHI PETROCHEMICAL CO·Filed 1987·Granted May 23, 1989·72 cites·9 claims
- 2692US4466947ADenitration catalyst and denitrating methodMITSUBISHI PETROCHEMICAL CO·Filed 1983·Granted Aug 21, 1984·82 cites·5 claims
- 2792US4405774AEthylene copolymerMITSUBISHI PETROCHEMICAL CO·Filed 1981·Granted Sep 20, 1983·90 cites·10 claims
- 2892US4256591ALubricant, lubricant composition and method for lubricating a surfaceMITSUBISHI PETROCHEMICAL CO·Filed 1979·Granted Mar 17, 1981·85 cites·44 claims
- 2992US4124562APolyolefin composition containing a novel modified fillerMITSUBISHI PETROCHEMICAL CO·Filed 1977·Granted Nov 7, 1978·43 cites·22 claims
- 3092US4014766AElectrolytic treatment of waste waterMITSUBISHI PETROCHEMICAL CO·Filed 1975·Granted Mar 29, 1977·63 cites·13 claims
- 3191US5391618APropylene resin compositionsMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Feb 21, 1995·65 cites·20 claims
- 3291US5314962AABA type block copolymersMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted May 24, 1994·92 cites·17 claims
- 3391US4945014ASecondary batteryMITSUBISHI PETROCHEMICAL CO·Filed 1989·Granted Jul 31, 1990·87 cites·21 claims
- 3491US4863763AProcess for producing molecular orientated filmMITSUBISHI PETROCHEMICAL CO·Filed 1988·Granted Sep 5, 1989·66 cites·17 claims
- 3591US4738867AProcess for the preparation of water absorptive composite materialMITSUBISHI PETROCHEMICAL CO·Filed 1987·Granted Apr 19, 1988·70 cites·12 claims
- 3691US4725422AElectrode materialMITSUBISHI PETROCHEMICAL CO·Filed 1987·Granted Feb 16, 1988·71 cites·9 claims
- 3791US4725492AComposite heat-insulating materialMITSUBISHI PETROCHEMICAL CO·Filed 1985·Granted Feb 16, 1988·61 cites·8 claims
- 3891US4704238AProcess for the production of air-permeable filmsMITSUBISHI PETROCHEMICAL CO·Filed 1985·Granted Nov 3, 1987·110 cites·20 claims
- 3991US4443730ABiological piezoelectric transducer device for the living bodyMITSUBISHI PETROCHEMICAL CO·Filed 1982·Granted Apr 17, 1984·90 cites·23 claims
- 4091US4412938ASemiconducting resin compositionsMITSUBISHI PETROCHEMICAL CO·Filed 1980·Granted Nov 1, 1983·56 cites·4 claims
- 4191US4318950ASynthetic papers and method of making the sameMITSUBISHI PETROCHEMICAL CO·Filed 1978·Granted Mar 9, 1982·92 cites·11 claims
- 4291US4167551AProcess for the production of an ion exchange membraneMITSUBISHI PETROCHEMICAL CO·Filed 1977·Granted Sep 11, 1979·79 cites·11 claims
- 4390US5385972AFiller-containing resin composition and stretched films using sameMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Jan 31, 1995·46 cites·21 claims
- 4490US5378735AUltraviolet-curing covering composition with hardwearing propertiesMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Jan 3, 1995·67 cites·8 claims
- 4590US4741969AAqueous ink recording sheetMITSUBISHI PETROCHEMICAL CO·Filed 1986·Granted May 3, 1988·58 cites·17 claims
- 4690US4603153AGlass fiber reinforced resin compositionMITSUBISHI PETROCHEMICAL CO·Filed 1984·Granted Jul 29, 1986·49 cites·31 claims
- 4790US4479017AProcess for producing ether compounds by catalytic hydrogenolysisMITSUBISHI PETROCHEMICAL CO·Filed 1982·Granted Oct 23, 1984·35 cites·6 claims
- 4890US4329507ASubstituted aryl ethylenesMITSUBISHI PETROCHEMICAL CO·Filed 1980·Granted May 11, 1982·35 cites·3 claims
- 4989US5373046AProcess for producing a resin compoundMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Dec 13, 1994·73 cites·7 claims
- 5089US5252677AFunctionalized olefin polymersMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Oct 12, 1993·60 cites·17 claims
Showing the top 50 of 507 patent records by PatentIndex Score.
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