Assignee
NIPPON PETROCHEMICALS CO LTD
JP·309 granted patents·4 pending applications·6,944 citations·filing 1972–2004
Top patents by PatentIndex Score
313 records- 0198US4618914AElectrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Oct 21, 1986·280 cites·11 claims
- 0297US4675338ATetrapyrrole therapeutic agentsNIPPON PETROCHEMICALS CO LTD·Filed 1984·Granted Jun 23, 1987·180 cites·42 claims
- 0396US4977177ATetrapyrrole polyaminomonocarboxylic acid therapeutic agentsNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Dec 11, 1990·91 cites·46 claims
- 0496US4656186ATetrapyrrole therapeutic agentsNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Apr 7, 1987·158 cites·14 claims
- 0596US4269391AValve sealing device and a valveNIPPON PETROCHEMICALS CO LTD·Filed 1978·Granted May 26, 1981·74 cites·18 claims
- 0695US4543207AElectrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1983·Granted Sep 24, 1985·76 cites·11 claims
- 0794US4962148AThermoplastic resin composition and method for preparing the sameNIPPON PETROCHEMICALS CO LTD·Filed 1988·Granted Oct 9, 1990·86 cites·21 claims
- 0894US4493943AElectrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1983·Granted Jan 15, 1985·41 cites·15 claims
- 0994US4349500AMethod for stretching a fibrous or film-like materialNIPPON PETROCHEMICALS CO LTD·Filed 1980·Granted Sep 14, 1982·81 cites·4 claims
- 1093US5206525AElectric element capable of controlling the electric conductivity of π-conjugated macromolecular materialsNIPPON PETROCHEMICALS CO LTD·Filed 1990·Granted Apr 27, 1993·113 cites·10 claims
- 1192US6003581AApparatus for laminating websNIPPON PETROCHEMICALS CO LTD·Filed 1997·Granted Dec 21, 1999·54 cites·3 claims
- 1292US5418272AAbrasion-resistant flame-retardant compositionNIPPON PETROCHEMICALS CO LTD·Filed 1992·Granted May 23, 1995·80 cites·14 claims
- 1392US5248729AProcess for preparing thermoplastic resin compositionNIPPON PETROCHEMICALS CO LTD·Filed 1992·Granted Sep 28, 1993·72 cites·9 claims
- 1492US4748206APolyolefin composition and the same used for vehicle exterior membersNIPPON PETROCHEMICALS CO LTD·Filed 1986·Granted May 31, 1988·77 cites·13 claims
- 1592US4693885ATetrapyrrole therapeutic agentsNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Sep 15, 1987·131 cites·13 claims
- 1692US4614632AMethod and apparatus for continuously forming embossed sheetsNIPPON PETROCHEMICALS CO LTD·Filed 1984·Granted Sep 30, 1986·107 cites·13 claims
- 1791US6637128B2Heating apparatus for a transversely stretched nonwoven fabricNIPPON PETROCHEMICALS CO LTD·Filed 2002·Granted Oct 28, 2003·35 cites·3 claims
- 1891US6063717AHydroentangled nonwoven fabric and method of producing the sameNIPPON PETROCHEMICALS CO LTD·Filed 1995·Granted May 16, 2000·85 cites·8 claims
- 1991US5729878AWeb spreading apparatusNIPPON PETROCHEMICALS CO LTD·Filed 1996·Granted Mar 24, 1998·51 cites·16 claims
- 2091US5017733AElectrical insulating oil compositionNIPPON PETROCHEMICALS CO LTD·Filed 1987·Granted May 21, 1991·51 cites·6 claims
- 2191US4793956AProcess for preparing porous film or sheetNIPPON PETROCHEMICALS CO LTD·Filed 1986·Granted Dec 27, 1988·53 cites·5 claims
- 2290US5874513AEthylene-α-olefin copolymer and composition, and film, laminate and electrical insulating material comprising sameNIPPON PETROCHEMICALS CO LTD·Filed 1996·Granted Feb 23, 1999·63 cites·11 claims
- 2390US5317051ASurface whitening preventing flame-retardant olefin polymer compositionNIPPON PETROCHEMICALS CO LTD·Filed 1989·Granted May 31, 1994·61 cites·14 claims
- 2489US5861202ALaminated bodies and woven and nonwoven fabrics comprising α-olefin polymeric adhesion materials catalyzed with cyclopentadienyl catalystNIPPON PETROCHEMICALS CO LTD·Filed 1995·Granted Jan 19, 1999·61 cites·38 claims
- 2589US5238718AMulti-layered blow-molded bottleNIPPON PETROCHEMICALS CO LTD·Filed 1991·Granted Aug 24, 1993·80 cites·1 claims
- 2689US5189106APolyethylene compositionNIPPON PETROCHEMICALS CO LTD·Filed 1991·Granted Feb 23, 1993·73 cites·5 claims
- 2789US4753423ASynthetic resin-coated spring and method for making sameNIPPON PETROCHEMICALS CO LTD·Filed 1986·Granted Jun 28, 1988·59 cites·15 claims
- 2889US4722959AFlame-retardant olefin polymer compositionNIPPON PETROCHEMICALS CO LTD·Filed 1986·Granted Feb 2, 1988·59 cites·17 claims
- 2989US4599391ACoating composition for power cableNIPPON PETROCHEMICALS CO LTD·Filed 1984·Granted Jul 8, 1986·47 cites·6 claims
- 3088US5791030AWeb widening apparatusNIPPON PETROCHEMICALS CO LTD·Filed 1997·Granted Aug 11, 1998·40 cites·33 claims
- 3188US5473016AMatte film or sheet and method for preparing sameNIPPON PETROCHEMICALS CO LTD·Filed 1994·Granted Dec 5, 1995·63 cites·11 claims
- 3288US4876049AMethod for preparing molded articles of ultra-high molecular weight polyethyleneNIPPON PETROCHEMICALS CO LTD·Filed 1986·Granted Oct 24, 1989·65 cites·15 claims
- 3388US4621302AElectrical insulating oil and electrical appliances impregnated with the sameNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Nov 4, 1986·44 cites·7 claims
- 3488US4525317AMethod and apparatus for stretching film or fibrous webNIPPON PETROCHEMICALS CO LTD·Filed 1983·Granted Jun 25, 1985·64 cites·14 claims
- 3587US6289577B1Method of making a swing actuatorNIPPON PETROCHEMICALS CO LTD·Filed 2000·Granted Sep 18, 2001·37 cites·13 claims
- 3687US5382773AApparatus and method for fabricating a perforated web by lightNIPPON PETROCHEMICALS CO LTD·Filed 1992·Granted Jan 17, 1995·59 cites·26 claims
- 3787US5260384APolyethylene compositionNIPPON PETROCHEMICALS CO LTD·Filed 1992·Granted Nov 9, 1993·81 cites·4 claims
- 3887US4549034ARefined electrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1984·Granted Oct 22, 1985·39 cites·9 claims
- 3986US5159016AProcess for preparing thermoplastic resin compositionNIPPON PETROCHEMICALS CO LTD·Filed 1988·Granted Oct 27, 1992·35 cites·10 claims
- 4086US4737548AAdhesive resins and laminate articlesNIPPON PETROCHEMICALS CO LTD·Filed 1986·Granted Apr 12, 1988·44 cites·4 claims
- 4186US4347169AElectrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1981·Granted Aug 31, 1982·32 cites·16 claims
- 4285US5826314ADevice for transversely stretching webNIPPON PETROCHEMICALS CO LTD·Filed 1995·Granted Oct 27, 1998·50 cites·5 claims
- 4385US4694100AMethod for producing α-(p-isobutylphenyl)propionic acid or its alkyl estersNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Sep 15, 1987·23 cites·33 claims
- 4484US6524521B1Method of and apparatus for manufacturing longitudinally aligned nonwoven fabricNIPPON PETROCHEMICALS CO LTD·Filed 2000·Granted Feb 25, 2003·36 cites·22 claims
- 4584US6054086AProcess of making high-strength yarnsNIPPON PETROCHEMICALS CO LTD·Filed 1996·Granted Apr 25, 2000·48 cites·18 claims
- 4684US4434128AMethod and apparatus for stretching thermoplastic polymer filmsNIPPON PETROCHEMICALS CO LTD·Filed 1982·Granted Feb 28, 1984·48 cites·5 claims
- 4783US6162871AEthylene-α-olefin copolymer and composition, and film, laminate and electrical insulating material comprising sameNIPPON PETROCHEMICALS CO LTD·Filed 1998·Granted Dec 19, 2000·38 cites·13 claims
- 4883US5221781AFiller-incorporated thermoplastic resin compositionNIPPON PETROCHEMICALS CO LTD·Filed 1991·Granted Jun 22, 1993·28 cites·10 claims
- 4982US5312500ANon-woven fabric and method and apparatus for making the sameNIPPON PETROCHEMICALS CO LTD·Filed 1990·Granted May 17, 1994·83 cites·17 claims
- 5082US5308861ATherapeutic agent for treating atherosclerosis of mammalsNIPPON PETROCHEMICALS CO LTD·Filed 1992·Granted May 3, 1994·53 cites·13 claims
Showing the top 50 of 313 patent records by PatentIndex Score.
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