Assignee
NIPPON ZEON CO
JP·575 granted patents·18,441 citations·filing 1973–2004
Top patents by PatentIndex Score
575 records- 0199US4329383ANon-thrombogenic material comprising substrate which has been reacted with heparinNIPPON ZEON CO·Filed 1980·Granted May 11, 1982·319 cites·8 claims
- 0297US4969890ACatheterNIPPON ZEON CO·Filed 1988·Granted Nov 13, 1990·826 cites·9 claims
- 0397US4647625AProcess for modifying conjugated diene polymersNIPPON ZEON CO·Filed 1984·Granted Mar 3, 1987·118 cites·11 claims
- 0497US4616069AProcess for making diene polymer rubbersNIPPON ZEON CO·Filed 1985·Granted Oct 7, 1986·168 cites·14 claims
- 0597US4547615AProcess for producing conjugated diolefinsNIPPON ZEON CO·Filed 1984·Granted Oct 15, 1985·68 cites·11 claims
- 0697US4105731AMethod of embedding an end of a bundle of thread-like bodies in a molding material and controlling capillary action by said materialNIPPON ZEON CO·Filed 1977·Granted Aug 8, 1978·112 cites·10 claims
- 0797US4049765AMethod for setting end portion of bundle of thread-like bodiesNIPPON ZEON CO·Filed 1976·Granted Sep 20, 1977·109 cites·11 claims
- 0896US5298015AWound dressing having a porous structureNIPPON ZEON CO·Filed 1992·Granted Mar 29, 1994·1.3k cites·10 claims
- 0995US5290857AEpoxy resin adhesive compositionNIPPON ZEON CO·Filed 1992·Granted Mar 1, 1994·164 cites·10 claims
- 1095US4550142ARubber compositionNIPPON ZEON CO·Filed 1983·Granted Oct 29, 1985·138 cites·12 claims
- 1195US4337329AProcess for hydrogenation of conjugated diene polymersNIPPON ZEON CO·Filed 1980·Granted Jun 29, 1982·80 cites·5 claims
- 1294US6136490APolymerized tonerNIPPON ZEON CO·Filed 1997·Granted Oct 24, 2000·70 cites·22 claims
- 1394US5274006AFoamable epoxy resin compositionNIPPON ZEON CO·Filed 1992·Granted Dec 28, 1993·161 cites·5 claims
- 1494US4677153AMethod for modifying rubbersNIPPON ZEON CO·Filed 1986·Granted Jun 30, 1987·77 cites·12 claims
- 1594US4595788AProcess for producing butadieneNIPPON ZEON CO·Filed 1984·Granted Jun 17, 1986·49 cites·9 claims
- 1694US4412041AProcess for modifying rubbers employing a compound containing a carboxyl and an aldehyde groupNIPPON ZEON CO·Filed 1983·Granted Oct 25, 1983·59 cites·15 claims
- 1793US5686509AEpoxy resin structural adhesive compositionNIPPON ZEON CO·Filed 1994·Granted Nov 11, 1997·111 cites·12 claims
- 1893US5468803AMedical implement, polymer composition, and optical materialNIPPON ZEON CO·Filed 1993·Granted Nov 21, 1995·53 cites·16 claims
- 1993US5192301AClosing plug of a defect for medical use and a closing plug device utilizing itNIPPON ZEON CO·Filed 1991·Granted Mar 9, 1993·2k cites·12 claims
- 2093US4452951AProcess for hydrogenating conjugated diene polymersNIPPON ZEON CO·Filed 1982·Granted Jun 5, 1984·76 cites·11 claims
- 2193US4423281AProcess for producing conjugated diolefinsNIPPON ZEON CO·Filed 1981·Granted Dec 27, 1983·43 cites·7 claims
- 2293US4415490ANon-thrombogenic materialNIPPON ZEON CO·Filed 1979·Granted Nov 15, 1983·42 cites·11 claims
- 2393US4412031AModified rubber composition employing a compound containing a carboxyl and an aldehyde groupNIPPON ZEON CO·Filed 1983·Granted Oct 25, 1983·50 cites·32 claims
- 2493US4384081AProcess for production of hydrogenated conjugated diene polymersNIPPON ZEON CO·Filed 1982·Granted May 17, 1983·56 cites·4 claims
- 2592US6075092ARubber compositionNIPPON ZEON CO·Filed 1997·Granted Jun 13, 2000·60 cites·13 claims
- 2692US6043308AConductive rubber composition and process for the production thereofNIPPON ZEON CO·Filed 1996·Granted Mar 28, 2000·59 cites·32 claims
- 2792US5462995AHydrogenated products of thermoplastic norbornene polymers, their production, substrates for optical elements obtained by molding them, optical elements and lensesNIPPON ZEON CO·Filed 1992·Granted Oct 31, 1995·99 cites·15 claims
- 2892US5319028APolyvinyl chloride plastisol compositionNIPPON ZEON CO·Filed 1991·Granted Jun 7, 1994·77 cites·9 claims
- 2992US5187012AThermoplastic materials and article made therefromNIPPON ZEON CO·Filed 1990·Granted Feb 16, 1993·47 cites·18 claims
- 3092US4929679ARubber composition for tire treadNIPPON ZEON CO·Filed 1989·Granted May 29, 1990·62 cites·4 claims
- 3192US4614771AProcess for making diene copolymer rubbersNIPPON ZEON CO·Filed 1985·Granted Sep 30, 1986·59 cites·7 claims
- 3291US6633722B1Light guide plate with alicyclic resinNIPPON ZEON CO·Filed 1999·Granted Oct 14, 2003·115 cites·12 claims
- 3391US6001488AComposition of epoxy group-containing cycloolefin resinNIPPON ZEON CO·Filed 1998·Granted Dec 14, 1999·58 cites·4 claims
- 3491US5844050AModified conjugated diene polymer, process for producing same and composition comprising sameNIPPON ZEON CO·Filed 1994·Granted Dec 1, 1998·168 cites·9 claims
- 3591US5725960AMolded articles having hard coat layer and method for producing sameNIPPON ZEON CO·Filed 1993·Granted Mar 10, 1998·70 cites·13 claims
- 3691US5651995AHighly saturated nitrile rubber, process for producing same, vulcanizable rubber composition, aqueous emulsion and adhesive compositionNIPPON ZEON CO·Filed 1995·Granted Jul 29, 1997·75 cites·33 claims
- 3791US5539060AMethod for hydrogenation of metathesis polymersNIPPON ZEON CO·Filed 1995·Granted Jul 23, 1996·69 cites·19 claims
- 3891US5298542AAcrylic ester copolymer plastisol compositionNIPPON ZEON CO·Filed 1992·Granted Mar 29, 1994·52 cites·18 claims
- 3990US6403289B1Developer for photosensitive polyimide resin compositionNIPPON ZEON CO·Filed 1998·Granted Jun 11, 2002·79 cites·23 claims
- 4090US5902856ARubber composition of two diene rubbersNIPPON ZEON CO·Filed 1995·Granted May 11, 1999·77 cites·13 claims
- 4190US5561208AMedical implement, polymer composition, and optical materialNIPPON ZEON CO·Filed 1995·Granted Oct 1, 1996·57 cites·21 claims
- 4290US5191026ARing-opening hydrogenated copolymer and process for producing the sameNIPPON ZEON CO·Filed 1988·Granted Mar 2, 1993·47 cites·35 claims
- 4390US5075377ABlock copolymer compositionNIPPON ZEON CO·Filed 1990·Granted Dec 24, 1991·114 cites·12 claims
- 4490US4983678ACurable rubber compositionNIPPON ZEON CO·Filed 1989·Granted Jan 8, 1991·49 cites·9 claims
- 4590US4676404AMethod and apparatus for feeding drug liquid from hermetic returnable canNIPPON ZEON CO·Filed 1984·Granted Jun 30, 1987·98 cites·10 claims
- 4690US4613633ACopolymer latexNIPPON ZEON CO·Filed 1985·Granted Sep 23, 1986·60 cites·10 claims
- 4790US4525541AMethod for modifying rubbersNIPPON ZEON CO·Filed 1983·Granted Jun 25, 1985·43 cites·28 claims
- 4889US6132919APolymerized toner and production process thereofNIPPON ZEON CO·Filed 1999·Granted Oct 17, 2000·46 cites·19 claims
- 4989US4075244AProcess for preparing methacrylic acidNIPPON ZEON CO·Filed 1976·Granted Feb 21, 1978·22 cites·17 claims
- 5088US6511756B1Thermoplastic dicyclopentadiene-base open-ring polymers, hydrogenated derivatives thereof, and processes for the preparation of bothNIPPON ZEON CO·Filed 1998·Granted Jan 28, 2003·79 cites·23 claims
Showing the top 50 of 575 patent records by PatentIndex Score.
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