Assignee
TOHO BESLON CO
JP·40 granted patents·1,385 citations·filing 1975–1986
Top patents by PatentIndex Score
40 records- 0195US4069297AProcess for producing carbon fibersTOHO BESLON CO·Filed 1976·Granted Jan 17, 1978·53 cites·20 claims
- 0293US4285831AProcess for production of activated carbon fibersTOHO BESLON CO·Filed 1979·Granted Aug 25, 1981·56 cites·19 claims
- 0393US4132828AAssembly of metal-coated carbon fibers, process for production thereof, and method for use thereofTOHO BESLON CO·Filed 1977·Granted Jan 2, 1979·134 cites·39 claims
- 0491US4677818AComposite rope and manufacture thereofTOHO BESLON CO·Filed 1985·Granted Jul 7, 1987·70 cites·22 claims
- 0591US4443507AHeat-moldable laminate and process for molding said laminated structuresTOHO BESLON CO·Filed 1982·Granted Apr 17, 1984·55 cites·26 claims
- 0691US4309473ANon-tacky strand prepreg comprising a resin composition containing a combination of (1) a thermosetting resin and (2) a high molecular weight epoxy resin and a process for forming an article from the sameTOHO BESLON CO·Filed 1979·Granted Jan 5, 1982·62 cites·18 claims
- 0790US4420512AEmulsion type sizing agent for carbon fibers, process for its preparation, and method for using sameTOHO BESLON CO·Filed 1982·Granted Dec 13, 1983·46 cites·20 claims
- 0889US4772455AFilterTOHO BESLON CO·Filed 1985·Granted Sep 20, 1988·75 cites·27 claims
- 0989US4696742AActive carbon fibers and filter adsorption unit for water purification comprising said fibersTOHO BESLON CO·Filed 1986·Granted Sep 29, 1987·58 cites·7 claims
- 1089US4500660AEpoxy resin compositionTOHO BESLON CO·Filed 1983·Granted Feb 19, 1985·50 cites·26 claims
- 1189US4366085AFibrous activated carbon with metal chelate compound supported thereon, process for producing the sameTOHO BESLON CO·Filed 1980·Granted Dec 28, 1982·69 cites·31 claims
- 1289US4073870AProcess for producing carbon fibersTOHO BESLON CO·Filed 1976·Granted Feb 14, 1978·41 cites·10 claims
- 1386US4576929AActive carbon fibers as adsorbent for water purificationTOHO BESLON CO·Filed 1984·Granted Mar 18, 1986·39 cites·11 claims
- 1485US4508851AFibrous activated carbon and process of producing itTOHO BESLON CO·Filed 1983·Granted Apr 2, 1985·26 cites·21 claims
- 1585US4259397ABrake lining materialTOHO BESLON CO·Filed 1979·Granted Mar 31, 1981·42 cites·9 claims
- 1684US4474906ACarbon fiber and resin composition reinforced by the sameTOHO BESLON CO·Filed 1983·Granted Oct 2, 1984·40 cites·28 claims
- 1783US4520623AActivated carbon fiber spun yarnTOHO BESLON CO·Filed 1983·Granted Jun 4, 1985·23 cites·14 claims
- 1883US4412937AMethod for manufacture of activated carbon fiberTOHO BESLON CO·Filed 1982·Granted Nov 1, 1983·26 cites·23 claims
- 1982US4671950AHigh-strength carbonaceous fiberTOHO BESLON CO·Filed 1985·Granted Jun 9, 1987·36 cites·21 claims
- 2082US4347279AHigh performance carbon fiber, process for production thereof, and composite materials prepared therewithTOHO BESLON CO·Filed 1981·Granted Aug 31, 1982·27 cites·13 claims
- 2182US4231169AInsole and method of producing the sameTOHO BESLON CO·Filed 1978·Granted Nov 4, 1980·84 cites·21 claims
- 2280US4460650AAcrylonitrile fibers, a process for producing acrylonitrile fibers, as well as producing peroxidized fibers, fibrous active carbon or carbon fibers therefromTOHO BESLON CO·Filed 1982·Granted Jul 17, 1984·22 cites·13 claims
- 2380US4362646AProcess for the production of fibrous activated carbonTOHO BESLON CO·Filed 1980·Granted Dec 7, 1982·26 cites·17 claims
- 2479US4339021ACarbon fiber reinforced carbon friction element and method of makingTOHO BESLON CO·Filed 1980·Granted Jul 13, 1982·35 cites·29 claims
- 2578US4256607AProcess for production of activated carbon fibersTOHO BESLON CO·Filed 1977·Granted Mar 17, 1981·17 cites·16 claims
- 2672US4321446AApparatus for production of graphite fibersTOHO BESLON CO·Filed 1980·Granted Mar 23, 1982·17 cites·7 claims
- 2771US4397831AProduction of carbon fibers from acrylonitrile based fibersTOHO BESLON CO·Filed 1980·Granted Aug 9, 1983·14 cites·2 claims
- 2869US4753777AApparatus for continuous production of carbon fibersTOHO BESLON CO·Filed 1985·Granted Jun 28, 1988·12 cites·12 claims
- 2969US4543241AMethod and apparatus for continuous production of carbon fibersTOHO BESLON CO·Filed 1983·Granted Sep 24, 1985·14 cites·18 claims
- 3069US4482660APrepreg for making a composite having high elongation and heat resistance and process for making such composite with the prepregTOHO BESLON CO·Filed 1983·Granted Nov 13, 1984·22 cites·30 claims
- 3168US4443726ABrushes and method for the production thereofTOHO BESLON CO·Filed 1982·Granted Apr 17, 1984·24 cites·25 claims
- 3266US4401533ASurface-treatment of carbon fiberTOHO BESLON CO·Filed 1981·Granted Aug 30, 1983·12 cites·11 claims
- 3363US4197279ACarbon fiber having improved thermal oxidation resistance and process for producing sameTOHO BESLON CO·Filed 1978·Granted Apr 8, 1980·9 cites·33 claims
- 3453US4522801AProcess for producing carbon fiber or graphite fiberTOHO BESLON CO·Filed 1983·Granted Jun 11, 1985·8 cites·28 claims
- 3551US4438738ARocker arm and process for producing the sameTOHO BESLON CO·Filed 1982·Granted Mar 27, 1984·12 cites·22 claims
- 3649US4830845APrecursor for production of preoxidized fibers or carbon fibersTOHO BESLON CO·Filed 1985·Granted May 16, 1989·9 cites·29 claims
- 3746US4304746AProcess for producing preoxidized fiber spun yarnsTOHO BESLON CO·Filed 1980·Granted Dec 8, 1981·7 cites·13 claims
- 3841US4536448APreoxidized fiber and process for producing the sameTOHO BESLON CO·Filed 1983·Granted Aug 20, 1985·9 cites·20 claims
- 3937US4659623AAcrylic fibers for producing preoxidized fibersTOHO BESLON CO·Filed 1984·Granted Apr 21, 1987·3 cites·10 claims
- 4029US4026926AProcess for the preparation of methallyl sulfonic acid and its saltsTOHO BESLON CO·Filed 1975·Granted May 31, 1977·1 cites·5 claims
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