Assignee
TOA NENRYO KOGYO KK
250 granted patents·5,522 citations·filing 1972–1993
Top patents by PatentIndex Score
250 records- 0197US4375446AProcess for the production of a nonwoven fabricTOA NENRYO KOGYO KK·Filed 1979·Granted Mar 1, 1983·94 cites·24 claims
- 0297US3950341AReaction product of a polyalkenyl succinic acid or its anhydride, a hindered alcohol and an amineTOA NENRYO KOGYO KK·Filed 1974·Granted Apr 13, 1976·94 cites·11 claims
- 0396US4008149AProcess of hydro-refining hydrocarbon oilsTOA NENRYO KOGYO KK·Filed 1976·Granted Feb 15, 1977·120 cites·10 claims
- 0495US4295809ADie for a melt blowing processTOA NENRYO KOGYO KK·Filed 1979·Granted Oct 20, 1981·61 cites·16 claims
- 0594US4849311AImmobilized electrolyte membraneTOA NENRYO KOGYO KK·Filed 1988·Granted Jul 18, 1989·140 cites·19 claims
- 0694US4726522AVibrating element for ultrasonic atomization having curved multi-stepped edged portionTOA NENRYO KOGYO KK·Filed 1986·Granted Feb 23, 1988·62 cites·6 claims
- 0793US4659850APolyorgano(hydro)silazane and process for producing sameTOA NENRYO KOGYO KK·Filed 1986·Granted Apr 21, 1987·41 cites·19 claims
- 0892US4974780AUltrasonic fuel injection nozzleTOA NENRYO KOGYO KK·Filed 1989·Granted Dec 4, 1990·77 cites·16 claims
- 0992US4588633APolyethylene microporous membrane of ultra high molecular weightTOA NENRYO KOGYO KK·Filed 1985·Granted May 13, 1986·71 cites·3 claims
- 1092US4146590AProcess for the production of modified polyolefinTOA NENRYO KOGYO KK·Filed 1975·Granted Mar 27, 1979·52 cites·10 claims
- 1191US4837193AHydrotreating catalyst and process of manufactureTOA NENRYO KOGYO KK·Filed 1987·Granted Jun 6, 1989·117 cites·7 claims
- 1290US4873034AProcess for producing microporous ultra-high-molecular-weight polyolefin membraneTOA NENRYO KOGYO KK·Filed 1988·Granted Oct 10, 1989·86 cites·9 claims
- 1390US4225727AProcess for the production of unsaturated estersTOA NENRYO KOGYO KK·Filed 1979·Granted Sep 30, 1980·25 cites·8 claims
- 1489US4726523AUltrasonic injection nozzleTOA NENRYO KOGYO KK·Filed 1985·Granted Feb 23, 1988·70 cites·4 claims
- 1589US4704196AProcess for surface treatment of carbon fiberTOA NENRYO KOGYO KK·Filed 1986·Granted Nov 3, 1987·35 cites·10 claims
- 1689US4636340AMethod of producing crosslinked polyethylene stretched filmTOA NENRYO KOGYO KK·Filed 1984·Granted Jan 13, 1987·45 cites·7 claims
- 1789US4299800AMethod of removing oxygen from a gas containing an unsaturated hydrocarbonTOA NENRYO KOGYO KK·Filed 1980·Granted Nov 10, 1981·29 cites·9 claims
- 1889US4046888AMethods for catalytic reduction of nitrogen oxidesTOA NENRYO KOGYO KK·Filed 1976·Granted Sep 6, 1977·59 cites·11 claims
- 1989US4038477AProcess for the production of polyolefin powderTOA NENRYO KOGYO KK·Filed 1975·Granted Jul 26, 1977·42 cites·10 claims
- 2089US3991056AAshless detergent dispersantTOA NENRYO KOGYO KK·Filed 1975·Granted Nov 9, 1976·41 cites·12 claims
- 2188US4950562ASolid electrolyte type fuel cellsTOA NENRYO KOGYO KK·Filed 1989·Granted Aug 21, 1990·70 cites·10 claims
- 2288US4338228APolyolefin composition containing (a) filler (b) nucleating agent and (c) heat deterioration inhibitorTOA NENRYO KOGYO KK·Filed 1980·Granted Jul 6, 1982·45 cites·9 claims
- 2387US5029677ADamping system for vibrating bodyTOA NENRYO KOGYO KK·Filed 1989·Granted Jul 9, 1991·45 cites·5 claims
- 2487US4886860APolymetalosilazane and process for preparing sameTOA NENRYO KOGYO KK·Filed 1989·Granted Dec 12, 1989·37 cites·29 claims
- 2587US4781904ACalcium-phosphate type hydroxyapatite for chromatographic separation and process for producing sameTOA NENRYO KOGYO KK·Filed 1986·Granted Nov 1, 1988·35 cites·6 claims
- 2687US4733820AVibrating element for use on an ultrasonic injection nozzleTOA NENRYO KOGYO KK·Filed 1985·Granted Mar 29, 1988·39 cites·1 claims
- 2787US4734196AProcess for producing micro-porous membrane of ultra-high-molecular-weight alpha-olefin polymer, micro-porous membranes and process for producing film of ultra-high-molecular-weight alpha-olefin polymerTOA NENRYO KOGYO KK·Filed 1986·Granted Mar 29, 1988·60 cites·6 claims
- 2887US4716206AProcess for polymerization of olefinsTOA NENRYO KOGYO KK·Filed 1986·Granted Dec 29, 1987·39 cites·6 claims
- 2987US4634740APolypropylene compositionTOA NENRYO KOGYO KK·Filed 1985·Granted Jan 6, 1987·53 cites·3 claims
- 3087US4528329AProduction of polyolefin copolymerTOA NENRYO KOGYO KK·Filed 1983·Granted Jul 9, 1985·42 cites·22 claims
- 3187US4454367AProcess for the low polymerization of isobuteneTOA NENRYO KOGYO KK·Filed 1983·Granted Jun 12, 1984·22 cites·13 claims
- 3287US4238175AMelt blowing apparatusTOA NENRYO KOGYO KK·Filed 1978·Granted Dec 9, 1980·27 cites·3 claims
- 3387US4071548ALubricating oil additive, process for the synthesis thereof and lubricating oil additive compositionTOA NENRYO KOGYO KK·Filed 1976·Granted Jan 31, 1978·40 cites·1 claims
- 3486US4756478AVibrating element for use on an ultrasonic injection nozzleTOA NENRYO KOGYO KK·Filed 1985·Granted Jul 12, 1988·63 cites·4 claims
- 3586US4440911AModified polyethylene and laminate thereofTOA NENRYO KOGYO KK·Filed 1982·Granted Apr 3, 1984·38 cites·11 claims
- 3686US3991098ALubricating oil additive, process for the synthesis thereof and lubricating oil additive compositionTOA NENRYO KOGYO KK·Filed 1972·Granted Nov 9, 1976·28 cites·1 claims
- 3785US4912920AUltrasonic burner system for regenerating a filterTOA NENRYO KOGYO KK·Filed 1989·Granted Apr 3, 1990·56 cites·1 claims
- 3885US4873115AMethod of sythesizing carbon film and carbon particles in a vapor phaseTOA NENRYO KOGYO KK·Filed 1985·Granted Oct 10, 1989·49 cites·12 claims
- 3985US4507512AProcess for hydration of olefinsTOA NENRYO KOGYO KK·Filed 1984·Granted Mar 26, 1985·19 cites·14 claims
- 4085US4499313AProcess for hydration of olefinsTOA NENRYO KOGYO KK·Filed 1984·Granted Feb 12, 1985·38 cites·14 claims
- 4185US4417019APolyolefin molding composition containing carboxylic acid-modified polyolefin, glass fibers and calcium-silicate useful for weldingTOA NENRYO KOGYO KK·Filed 1982·Granted Nov 22, 1983·39 cites·14 claims
- 4285US4218308AHydrogenation catalystTOA NENRYO KOGYO KK·Filed 1979·Granted Aug 19, 1980·36 cites·8 claims
- 4384US5145728AOriented polyethylene filmTOA NENRYO KOGYO KK·Filed 1991·Granted Sep 8, 1992·43 cites·10 claims
- 4484US4683275AMethylstyrene maleimide copolymerTOA NENRYO KOGYO KK·Filed 1985·Granted Jul 28, 1987·36 cites·13 claims
- 4584US4186078ACatalyst and process for hydrofining petroleum waxTOA NENRYO KOGYO KK·Filed 1978·Granted Jan 29, 1980·33 cites·10 claims
- 4684US4134856ACatalyst for hydro-refining hydrocarbon oilsTOA NENRYO KOGYO KK·Filed 1976·Granted Jan 16, 1979·36 cites·6 claims
- 4784US4052337ACatalyst for reduction of nitrogen oxides and process for preparing sameTOA NENRYO KOGYO KK·Filed 1976·Granted Oct 4, 1977·42 cites·2 claims
- 4883US5122417AFiber-reinforced composite resin pultrusion products and method of manufacturing the sameTOA NENRYO KOGYO KK·Filed 1988·Granted Jun 16, 1992·48 cites·11 claims
- 4983US4726525AVibrating element for ultrasonic injectionTOA NENRYO KOGYO KK·Filed 1986·Granted Feb 23, 1988·72 cites·8 claims
- 5083US4686199AProcess for producing a catalyst component for polymerization of olefinsTOA NENRYO KOGYO KK·Filed 1985·Granted Aug 11, 1987·31 cites·10 claims
Showing the top 50 of 250 patent records by PatentIndex Score.
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